AA AAA AAAI AABB AACC AACN AAD AADGP AAEC AAFP AAG AAIN AAMC AAN AANS AAO AAOS AAP AAPM AAQS AAS AASHO AAU ABA ABC ABCC ABD ABEM ABF ABFS ABG ABL ABLA ABM ABMS ABSL ABSN ABSOL AC ACAD ACAUS ACB ACCOM ACCP ACDA ACEEE ACEP ACGME ACHP ACI ACLP ACM ACMPH ACN ACP ACPDS ACPR ACR ACRS ACS ACTH ACTL ACTY ADAP ADDIT ADDR ADEA ADH ADHD ADITC ADJ ADJR ADL ADM ADMON ADP ADR ADSL ADU ADV ADVM ADVR AEA AEB AECL AECM AED AEP AERE AESO AETR AETRA AF AFBMA AFE AFF AFFMT AFI AFL AFM AFRRI AFSR AFUDC AFUE AFV AFVSS AFW AGC AGD AGF AGG AGMA AGN AGR AGS AGU AGZ AHD AICE AIEE AIEOP AIF AIGS AIHA AIHX AIMA AIMME AINSE AIP AISC AISE AISI AITS AIV AIW AK AKK AKS ALAP ALARA ALCP ALECTO ALIP ALJ ALKEM ALP ALPHGR ALPR ALR ALRR ALSI AMA AMAD AMBIPH AMBO AMC AMCF AMCO AMD AMDG AMIA AMRA AMSA ANC ANF ANGTA ANGTS ANIM ANL ANM ANP ANR ANS ANSCAT ANTDIR ANZ AO AOA AOBEM AOBL AOG AOP AORN AOS AP APA APASS APC APCA APCEF APDA APDMS APF APHA API APL APN APO APPA APPL APPR APPROB APR APRM APS APSR APTR APU AQCR AQIC AQUILLON ARAF ARBCOM ARBUS ARHCO ARPI ARPU ARR ARRS ARRT ARS ASADA ASCC ASCE ASCEPT ASCP ASE ASHRAE ASLAB ASLAP ASLB ASLBP ASM ASME ASMI ASMSO ASNT ASPS ASQC ASR ASRT ASSH ASSOC ASSP ASSU ASTM ASYM ATC ATFS ATI ATM ATN ATP ATR ATRC ATRCE ATS ATSR ATT ATTR ATV ATWS ATX AV AVMS AVR AVT AWG AWHONN AWS AWSF AZUR BAA BAAA BAAPS BACT BAF BAP BAPE BAPL BAPS BAU BB BBC BBL BBRR BC BCD BCE BCF BCG BCKG BCL BCP BD BDHT BEIR BELOYARSK BEMA BENEF BEP BEPO BER BF BFLA BFP BFS BGRR BIA BIF BIPV BISO BJAODN BLIS BLM BLP BLS BLTC BM BMA BMC BMCO BMEWS BMF BMI BML BMR BMS BMW BN BNA BNEC BNES BNF BNL BNWL BOC BOD BOTREQ BOU BP BPA BPAD BPD BPF BPID BPL BPN BPO BPR BPS BPV BPVC BQ BR BRC BRD BRFA BRG BRH BRISEIS BRR BRS BRU BRV BS BSA BSF BSH BSI BT BTA BTL BTMG BTP BTS BTU BTW BTX BU BUJ BURO BUSI BV BVM BW BWR BWST BYU CAA CABRI CACAC CACW CACWS CAEM CAEP CAES CAF CAFEE CAG CAGR CAHE CAISO CALUTRON CAMEN CAMT CAMTS CANDU CANEL CAOC CAOT CAPEX CAPM CARATOM CARIT CASLPA CASLPO CB CBALL CBC CBD CBE CBI CBJ CBL CBM CBOB CBOE CBOT CBR CBS CBSR CC CCC CCCS CCD CCEO CCG CCGT CCH CCI CCLIP CCN CCOHS CCP CCPG CCPP CCR CCRC CCRN CCS CCSW CCTL CCTV CCW CCWS CD CDA CDAAC CDC CDD CDF CDH CDM CDN CDO CDP CDR CDS CDT CE CEAN CEBELCORE CEC CEEA CEEC CEEN CEGB CEMS CEN CENC CENFAR CENS CENTRIF CENTRIP CENUSA CEO CEPII CEPS CEQ CER CERCA CERCLA CERCLIS CERMET CERTS CES CESMA CESNEF CET CETIS CETR CETS CEVAR CEXIST CF CFA CFC CFCT CFD CFL CFM CFO CFOC CFR CFRE CFS CFTC CGEL CGEU CHCF CHK CHP CHR CHT CI CIA CIAC CIB CIC CICAF CICS CIEN CIF CIO CIP CIR CIRC CIRCUM CIRCUMESS CIRGA CIS CISA CISE CISL CISM CISO CIT CIV CJ CJM CJS CK CKM CL CLAA CLCGM CLCIS CLCV CLIRA CLIV CLJA CLO CLS CLSA CLSMDA CM CMA CME CMFB CMFLPD CML CMM CMMF CMO CMP CMPD CMS CMT CMU CMVE CN CNA CNB CNCS CNCT CND CNEA CNEG CNEN CNEUPEN CNG CNI CNN CNNFN CNRM CNRN CNS CNT CNTG CNTR CNTREXP COA COAG COBQ COC COCAUS COFINATOME COGS COH COI COMPL COMPUL COMPV CONC CONGR CONJ CONSEC CONST CONSUDATLE CONT CONTR CONV COPD COPYVIO COREF CP CPA CPC CPDD CPE CPFF CPI CPK CPM CPME CPO CPP CPPS CPQ CPR CPS CPSCI CPT CPU CPUC CQ CQE CR CRA CRAT CRBR CRBRP CRC CRCPD CRCS CRCTA CRD CRDM CRE CRF CRI CRIC CRL CRM CRMD CRMI CRN CRNA CRP CRS CRSP CRT CRTT CRU CS CSA CSB CSC CSCS CSD CSDD CSDF CSE CSEM CSF CSI CSM CSO CSP CSPI CSR CSS CSSCC CST CSV CT CTA CTAA CTC CTD CTEMP CTEXP CTF CTO CTOS CTP CTR CTRS CU CV CVCS CVI CVP CVTR CW CWA CWG CWO CWP CWS CX CXO CZMA DADRP DAF DANIDA DBA DBDA DBE DBF DBOA DBT DC DCAA DCF DCL DCLM DCR DCRN DCS DCSC DD DDA DDB DDD DDS DDT DEAG DEF DEFG DEFIN DEFOC DEFR DEI DELIMP DELREV DEONT DERE DEREL DERIV DERMS DETR DF DFC DFFR DFLT DG DGAF DGZ DH DHRS DHX DHXCS DIFOT DIIS DIMIN DIR DIREC DIREV DISCNT DISCON DISSAT DITR DK DL DLC DLFV DLR DLV DM DMA DMD DME DMR DMS DMT DMTR DMZ DN DNA DNB DNBR DNC DNF DNJC DNM DNP DNRC DNS DOP DOR DOSAR DP DPAST DPC DPE DPO DPP DPT DQ DR DRB DRCC DRES DRR DRRC DRS DRV DS DSC DSIR DSL DSM DSO DSP DSS DSTR DSV DT DTA DTP DTPA DTR DTRF DTRNZ DTRS DTT DTW DUI DUPLIC DV DVD DVM DVP DW DWICA DWN DWS DWST DYNM EA EAA EAB EACRP EAES EAF EAL EAS EASI EAY EBITA EBITDA EBOR EBWR EC ECAR ECB ECC ECCC ECCS ECF ECFM ECG ECGC ECP ECPA ECR ECS EDC EDF EDG EDM EDP EDRP EDT EEC EEI EEM EEO EER EERS EF EFAPP EFD EFF EFFBR EFOC EFPD EFPH EFPM EFSM EFTPOS EG EGCR EGD EHV EI EIA EIAP EIB EIC EIM EIPP EJC EKG EKJL EKK ELCON ELEX ELPA ELPHR EMC EMDR EMF EMI EMOT EMP EMPH EMR EMS EMT ENSI ENUSA EO EOB EOC EOCR EOD EOEC EOL EOM EOR EORTC EOY EP EPA EPC EPCIP EPI EPL EPM EPR EPRI EPRTCS EPS EPSA EQ EQR EQU ERC ERCOT ERCP ERGEG ERIS ERP ERSP ERV ESAA ESAS ESCA ESCOLP ESCWS ESD ESF ESFAS ESI ESMAP ESO ESP ESR ESRD ESRP ESRR ESSP ETA ETBE ETC ETD ETP ETQAP ETR ETRC ETS ETSO EU EUEF EUEI EURATOM EUREX EVD EVEM EVESR EVHM EVT EVTM EW EXC EXCLM EXDUR EXFOC EXHFOC EXP EXPER EXPL EXPR EXS EXT EXTRV EXTT EXW EZF FA FAI FARET FARSE FASB FB FBC FBFS FBI FBR FC FCA FCC FCD FCE FCI FCITC FCL FCN FCR FCTT FD FDA FDC FDM FDP FDR FEA FEDAL FEDP FEFP FEFPL FELCC FEM FEO FERC FES FETFPO FF FFA FFI FFM FFR FFTF FG FGAA FGD FGM FH FHA FHO FHSR FIA FIDAL FIEN FIFO FIGO FIM FINGAL FIP FIPS FIRN FIRR FISU FL FLECHT FLPMA FM FME FMEA FMS FN FNL FNP FNR FO FOA FOC FOL FOMC FONSI FORATOM FORTRAN FOTA FP FPA FPC FPCSTL FPD FPDD FPDI FPM FPO FPR FPS FPSL FPST FR FRB FRC FRCC FRCP FRCTF FRM FRMZ FRP FRQ FRS FRT FRTEF FRUST FS FSA FSAR FSC FSN FSPPR FSR FSS FSV FT FTC FTE FTL FTP FTR FTRC FTRIA FTS FTTS FUCO FUFO FUNC FUO FUTINT FV FVA FW FWPA FWPCA FX FY FYA FYF FYP G GAAP GAAS GAEC GAHF GAMEGUIDE GASSAR GB GBSR GC GCFBR GCL GCR GD GDC GDP GDPR GDR GDS GE GEAP GEC GEF GENR GESMO GESSAR GETR GF GFCF GFE GFN GFP GFR GFSE GFY GGA GHG GI GIA GIC GISB GKN GL GLDF GM GMAU GMC GMO GMP GMROII GMS GMT GMV GN GNC GND GNF GNP GNSED GNT GORX GP GPCL GPE GPO GPP GPST GR GRC GRD GRI GRM GRN GRNI GRP GRR GRT GSF GSR GSV GT GTAW GTCC GTI GTR GTRR GTTF GUNFCO GV GVC GVEP GVHD GVR GVW GW GWE GWP HACL HAFEVER HASL HASP HAZ HB HBL HBO HBWR HC HCA HCDA HCES HCLF HCM HCSS HCU HD HDC HDD HDW HEATR HEBR HEDL HEHE HEHF HEPA HES HESIT HEU HFDF HFEF HFIR HG HGE HGH HHI HHLR HIBAL HIFAR HILAC HIRDL HIV HJ HKAAA HLA HLCV HLIV HLS HLW HMB HMFF HML HMRC HMS HN HNDR HNPF HNR HOR HOTCE HP HPCI HPCS HPD HPFL HPI HPIS HPL HPOF HPP HPRR HPS HQ HR HRD HREV HRSG HRT HRV HS HSE HSPF HSST HSY HT HTGCR HTGR HTIS HTL HTLTR HTML HTR HTRDA HTRE HTRI HTSF HTTF HTTP HVAC HVAR HVDC HVI HW HWCTR HWGCR HWP HWR HWS HX IAA IAAF IAC IAD IAEA IAL IAMMS IAPMO IAR IAS IASP IAT IAU IBAN IBCLC IBM IBR IBSHR IC ICA ICAP ICAR ICB ICBWR ICC ICCP ICCU ICD ICF ICG ICM ICOM ICP ICRA ICRM ICRP ICS ICSA ICT ICU ICVB IDC IDENTIF IDNE IDPH IDR IE IEA IEC IECC IEEE IEM IEMTF IEPE IER IES IET IFB IFCF IFMSA IFRS IFUT IGA IGCC IGIC IGNOR IGSC IGT IGU IHR IHS IHTS IHX IHXGV IIASA IINFO IJC ILCLP ILH ILIP ILLA ILM ILP ILRM IMD IMF IMI IMMED IMN IMPARF IMPER IMPERF IMPERS IMPL IMPOSS IMPREC INAB INABL INACT INANIM INB INCEP INCHO INCP IND INDCAUS INDEP INDET INDF INDIR INDIV INE INEL INGAA INHS INMM INP INR INST INT INTEN INTENTV INTERATOM INTERESS INTERJ INTERP INTR INTRST INVIS INVN INW INX IO IOC IOU IPAA IPAST IPB IPBE IPC IPCC IPCEA IPD IPDD IPFV IPL IPO IPP IPPB IPS IPT IQ IR IRAC IRAP IRC IRLS IRM IROL IRP IRR IRREL IRS IRT ISAM ISBN ISCA ISCT ISDF ISFSI ISI ISIN ISLN ISMP ISO ISP ISS ISTAF ITAL ITC ITE ITFTRIA ITG ITI ITIV ITM ITMA ITR ITRIA ITT IU IUINS IUPAP IV IVC IVHM IVS IVSM IVU IW IWES IX IYR IZ JAAA JAAF JABE JAEC JAEIP JAERI JAIF JANAP JAOA JAPC JARRP JC JCAE JCD JCGS JCL JCP JD JEEPNIK JETR JINR JIS JIT JJ JMJ JMOL JNA JNOV JPDR JRC JREC JST JT JUD JUL JUSS K KACHINA KAPL KBM KBWP KC KEMA KEWB KGB KIBOR KKK KNAU KNBC KPI KRB KRITO KRR KS KST KSTR KYC LACBWR LAMPRE LAPD LAPPES LASL LAWB LBA LBL LBNL LBO LC LCD LCHS LCL LCO LCOD LCOE LCOS LCR LCRE LCS LCTI LCTL LCV LCVIP LD LDC LDCC LDH LEFM LEL LEMUF LER LESR LEVITRON LEVP LF LFBR LGL LHD LHGR LHM LHS LHV LIC LIHEAP LINAC LITR LIWB LJ LK LKLY LL LLB LLC LLD LLEM LLF LLL LLM LLP LLW LM LME LMEC LMER LMERE LMFBR LMHX LMP LMR LMS LMSSA LMT LMTD LNG LOA LOC LOCF LOCP LODF LOF LOFA LOI LOLE LOPI LOPO LOQ LOSP LP LPC LPCI LPCS LPD LPDR LPE LPG LPGS LPI LPIS LPM LPN LPR LPRM LPSW LPTF LPTR LPZ LQ LRC LRG LRIA LRL LRX LS LSA LSD LSDF LSE LSF LSR LSSP LSSS LTA LTL LTR LTV LV LVDT LVN LW LWA LWOP LWR LYG MAA MAAC MACCT MADRI MAELV MAOP MAPLHGR MARCA MARYLA MASC MASCURA MASD MASURKA MBA MBD MBO MBOE MBR MBS MC MCA MCC MCH MCHC MCHER MCIS MCPR MCV MD MDAS MDC MDCT MDD MDDQ MDL MDM MDQ MDT MECS MEDREP MEF MEFV MEUB MEUF MEUG MEV MF MFCI MFP MFPG MFV MG MGCR MGMT MH MHA MHD MHER MHRA MHTS MILTEN MINHERS MIRN MISO MISPHT MITR MJ ML MLA MLAH MLD MLOC MLP MLRA MLT MLW MM MMC MMCF MMCFD MMG MMGAL MMPA MMS MMST MNAMS MNR MODFLOW MOQ MOT MOU MOV MOX MP MPC MPD MPE MPL MPO MPR MPRE MPS MPX MRCP MRCS MRI MRMU MRO MRP MRR MRT MS MSA MSAP MSAR MSBE MSBR MSC MSCA MSCI MSG MSHA MSIV MSIVLCS MSJ MSL MSLD MSM MSOD MSOS MSR MSRE MSRP MSS MSSCE MSSR MSTP MSV MSW MT MTBE MTBF MTD MTEF MTEP MTF MTI MTL MTOS MTPF MTR MTS MTTR MTV MUF MULT MUR MUX MV MVA MVG MVL MVMT MVR MVS MVT MW MWC MWCD MWDEU MWDS MWE MWEU MWG MWM MWSM MZFR NAACLS NAACP NAAQS NAC NACAC NAECA NAEON NAESB NAICS NAIG NAPCA NAPCRG NAPSIC NAPUS NAR NARUC NAS NASPI NASUCA NATC NAWAS NB NBA NBC NBL NBS NC NCA NCAA NCBO NCBR NCC NCD NCEP NCI NCND NCP NCR NCSAG NCSL NCTMB NCUR ND NDA NDCT NDE NDT NDTT NEA NEB NECAP NECSS NEDRI NEGAT NEGF NEGN NEJM NELPIA NEM NEMA NEPIA NERA NERC NERHL NERV NERVA NESC NESP NETIC NETR NEUT NEUTR NF NFC NFCA NFCC NFHS NFL NFND NFO NFPD NFS NGA NGAA NGL NGPA NGPL NGPSA NGSA NGSF NGV NH NHC NHPA NHR NHS NHUM NIAC NIETC NIH NII NIM NIOBE NIOSH NIPA NIRB NIRNS NIRS NITC NKC NKF NLI NLT NM NMIS NMLZ NMMSS NMP NMR NMSS NMST NN NNCSC NNEC NNSDD NNTO NOC NOCITE NOI NOL NOMS NONDUM NONIN NOPAT NOPR NOPRICES NORCUS NORDEL NOS NOTADVERTISING NOTADVOCATE NOTANARCHY NOTBATTLEGROUND NOTBLOG NOTBUREAUCRACY NOTCASE NOTCATALOG NOTCENSORED NOTCRYSTAL NOTDEMOCRACY NOTDICDEF NOTDIR NOTDIRECTORY NOTFORUM NOTGUIDE NOTHOWTO NOTLAW NOTLINK NOTMANUAL NOTMEMORIAL NOTMIRROR NOTMYSPACE NOTNOW NOTOPINION NOTPAPER NOTREPOSITORY NOTSOAPBOX NOTSTATUTE NOTSTUPID NOTTEXTBOOK NOTTRAVEL NOTWEBHOST NP NPA NPC NPCC NPD NPDES NPDL NPF NPG NPL NPOSS NPOV NPP NPR NPRDS NPRF NPS NPSA NPSH NPSRA NPT NPTF NPV NQAA NR NRAEMT NRC NRCS NRDC NRECA NREL NREMR NREMT NREPA NRI NRIS NRP NRR NRTS NRU NRX NS NSA NSAID NSC NSCR NSDM NSF NSIC NSIT NSP NSR NSSM NSSS NT NTAC NTE NTEL NTF NTIS NTL NTP NTR NTS NTSB NUCLENOR NUCLIT NUG NUMEC NUMS NURE NV NVEXP NVN NW NWI NXPST NYDER NYHA NYISO NYPD NYPSC NYSE NYSERDA NYT OA OAA OAD OAS OATT OBE OBJV OBLG OBS OC OCB OCC OCD OCDRE OCF OCI OCR OCS OCSLA OD ODP ODS ODSWE ODWE OECD OED OEM OFC OFM OFO OGRA OGST OIBDA OIC OINV OJ OK OKR OL OLIP OMC OMCA OMI OMM OMNIA OMP OMR OMRCA OMRE OMRR OMS OOF OOO OPEX OPFM OPR OPRG OPTIM OPX ORC ORGDP ORIC ORNL ORSORT OSA OSB OSC OSFC OSFS OSIRIS OSM OSPPE OSSC OSUR OTAG OTC OTDF OTEC OTIF OTR OTRS OTSG OTSR OV OWR OWRR P PABS PADD PAG PAHR PAIC PAIP PAUC PB PBE PBF PBR PBRE PBRF PBS PBT PBTF PBX PC PCA PCAM PCAS PCB PCD PCETF PCL PCLDI PCLS PCLT PCM PCP PCR PCRV PCS PCT PCTF PCTR PD PDA PDC PDCI PDD PDES PDF PDP PDR PDRP PDS PE PEDS PEGASE PEM PEO PEPR PERI PERM PERTINENCE PERV PF PFC PFCS PFE PFES PFI PFS PFT PG PGA PGM PGNZ PH PHA PHAB PHARM PHAS PHD PHERMEX PHF PHFFU PHR PHSPS PHTS PHWR PIDX PIFUA PII PIMPF PIMPV PINF PIOTA PIPPA PIR PIRG PJ PJM PK PL PLATR PLBR PLC PLMA PLOCAP PLR PLU PM PMA PMAC PMC PME PMF PMH PMIS PMN PMNP PMP PMS PMU PN PNNL PNPF PNR PNWL POA PODIR POIS POLR POPR PORACC POSSB POSSD POSTE POV PP PPA PPAST PPD PPDD PPF PPFV PPI PPL PPP PPR PPS PPSP PQAD PR PRB PRBSG PRC PRCF PRDC PREC PRESP PRESSEA PREV PREVEN PRFRM PRG PRH PRHO PRK PRM PRN PRNC PROCOMP PROGLOOK PROL PROLAT PROPOS PROPR PROSEC PROSERPINE PROV PRP PRR PRS PRSC PRSV PRT PRTR PRTV PRV PRWRA PS PSA PSAR PSC PSD PSDD PSE PSID PSM PSNZ PSP PSPGV PSQ PSR PSS PSSM PSSR PST PSTE PSTF PSTN PSTPR PSUP PSUR PT PTC PTCL PTCS PTDF PTH PTI PTL PTP PTR PTSD PTSR PTT PUC PUD PUHCA PUNCT PURP PV PVC PVP PVRC PVTI PWIN PWP PWR PX PZ QA QAC QAI QAIP QAPI QAPP QAR QBAN QC QD QDRO QF QHR QIP QLR QM QNT QP QPM QPR QRP QS QSE QSR QST QTD QTP QV RAC RACP RACS RADS RAIP RAPTUS RAQSCI RAR RAREF RATC RB RBA RBC RBE RBI RBM RBMK RBOB RBOF RC RCA RCB RCC RCG RCGM RCGP RCIC RCIS RCM RCN RCOG RCP RCPA RCPB RCRA RCS RCSI RCT RCW RD RDDM RDF RDOS RDP RDT RDX RECS REEEP REIC REL RELEV RELFUT REPET RER RESAR RESID RESNET RESP RESU REXT RF RFA RFAR RFB RFC RFD RFE RFEA RFG RFI RFL RFP RFQ RFR RFX RG RGGI RGS RHET RHR RHRP RHTS RIAA RIAEC RIF RII RILM RIOPR RIS RJE RL RLN RLOP RLS RM RMA RMAAS RMATS RMD RME RMR RMS RMU RN RNA RNR ROCE ROFR ROIC ROMASHKA ROP ROSPO RP RPC RPCS RPD RPE RPF RPG RPI RPM RPN RPR RPRT RPS RPST RPT RPV RQ RR RRO RRP RRPI RRR RRS RRT RS RSARR RSB RSCS RSCW RSD RSE RSI RSIC RSM RSN RSP RSR RSS RSSE RT RTBM RTC RTD RTE RTEP RTG RTL RTO RTP RTS RTU RTV RUBEOLE RV RVIS RVP RWA RWCU RWE RWP RWS RY SAA SAAEB SADE SAE SAPHIR SAREF SATNUC SB SBA SBDIR SBE SBEN SBF SBGT SBJV SBLC SBU SBV SC SCA SCADA SCARABEE SCBA SCBR SCC SCCS SCDMR SCE SCEAR SCEERR SCEF SCEL SCF SCFBR SCGA SCHS SCM SCN SCO SCOAP SCOTUS SCPF SCR SCRIPTO SCS SCTE SCTI SCTL SCUMRA SD SDA SDC SDCC SDD SDLC SDMC SDN SDR SDS SEAG SEAONC SEDOL SEFI SEFOR SEFR SEIA SELNI SEM SEMBL SENTA SEPA SER SERAI SERC SETU SF SFA SFC SFCS SFEIS SFN SFOC SFP SFSP SFV SG SGAE SGHW SGHWR SGR SGTS SHCA SHF SHGC SHO SHPO SHTL SICN SIHP SILDE SIMEA SIMUL SINB SINV SIOP SIPI SISI SIV SJ SJAE SJC SK SKU SL SLA SLAC SLCRS SLCS SLE SLI SLIV SLP SLR SLSF SLUC SM SMA SMACNA SMC SME SMES SMI SMJ SMLF SMR SMS SMSA SMTI SMUD SN SNAK SNAME SNG SNM SNR SNS SNUPPS SOCCS SODERN SOICS SOPR SORA SP SPACS SPB SPC SPCC SPERT SPF SPI SPIAM SPL SPM SPP SPR SPRF SPS SPSS SPT SPTF SPX SQ SQR SR SRC SRDA SRE SREL SRIAER SRM SRO SROI SRP SRR SRS SRU SS SSA SSAR SSB SSC SSCR SSDN SSE SSF SSG SSI SSM SSN SSNM SSNPP SSO SSP SSPWR SSR SSRI SSS SST STB STCL STD STE STFM STIF STIM STL STP STPF STR STS STSC STV SUA SUAK SUBE SUBEL SUBJ SUBSEC SUBST SUBZ SUG SUPLAT SUPO SURP SUT SUV SV SVC SVD SW SWC SWET SWIP SWM SWP SWPP SWR SWRI SWS SWU SYCA TACS TAEC TAIC TB TBA TBC TBD TBL TBP TBS TC TCA TCAS TCC TCO TCR TCS TCV TD TDC TDD TDF TDH TDM TDR TDS TDU TEG TEM TEMA TFA TFAR TFE TG TH THCS THOREX THTF TIBC TIF TIR TJ TKE TL TLC TLD TLLM TLP TLR TLTA TLV TM TMA TMD TMP TMR TND TNO TNT TOPR TOPZ TOTW TOU TP TPG TPN TQM TR TRA TRANSF TRANSP TRC TRIA TRIGA TRISO TRL TRM TRP TRPOSS TRR TRU TRX TS TSA TSCF TSF TSMDA TSR TT TTC TTE TTF TTHE TTM TTY TUFCDF TVA TVM TVR TW TWH TWWPK TWX TZ TZM UA UAA UAE UBAEC UBC UC UCAP UCC UCLR UCMJ UCR UCTE UD UDC UEMS UF UFLS UFO UFTR UG UGR UHF UHI UHS UHTREX UHV UHVAC UHVDC UI UK UKA UKAEA UKNR UKPDS ULCC UMRR UMTRA UNCCD UNCERT UNDESA UNDP UNECE UNEP UNFCCC UNH UNIF UNSCEAR UNSPEC UNW UOX UPC UPI UPM UPR URAEP URD URM URR USA USATF USBR USC USCA USCCAN USCE USCS USDA USGS USIT USMLE USP USS USSR UST UT UTI UTP UTRR UU UV UVAR UVLS UVR UWPST UWRR UWTR VA VAC VAD VAK VAR VAWT VB VBLZ VBWR VC VCL VCLF VCM VCO VD VEG VERIF VESIAC VESR VF VG VH VHES VHF VHTR VIMS VIP VL VLCC VLOC VM VMT VNSP VNV VOC VP VPI VPP VR VS VSA VSM VSR VT WAC WACC WACOG WADCO WAGR WAMS WAVA WB WBC WBNS WC WCF WCMC WCRE WD WDC WDTRS WEA WEC WECC WEEA WEP WF WFH WFMC WG WH WHEX WHM WHQ WHT WIC WINB WIRAB WISHA WJC WL WLL WLM WMA WMF WMO WMRA WNYTNRC WOTTA WP WPPSS WQ WQA WQC WR WRC WRI WRRR WSCC WSD WSPP WSSD WSUOPR WT WTD WTG WTI WTO WTP WTR WVN WVRM WW WXC WYB WYC XC XD XLPE XML XMTR XN XXN YNQ YRS YT YTC YTD YTG ZBB ZEEP ZEPR ZES ZETR ZGS ZOPA ZPPR ZPR ZPRF ZTO ZWOK