oo brown for diphthong ou the vowel sound in 34 brown 34 is aw oo turquoise for diphthong oi the secondary vowel sound in 34 turquoise 34 is oh ee purple for the schwas in er and ul the primary vowel sound in 34 purple 34 is in er and the secondary vowel sound is in ul common consonant sounds phonemes are represented by black letters each non slanted black letter of normal font thickness represents only one common sound phoneme the conventional common consonant sounds are not represented by a separate drawing the common sounds of the consonants in this invention are as follows fig4 portrays examples of uncommon consonant sounds indicated by black slanted letters there can be one or more uncommon sounds represented by each black slanted consonant letter and letter pair and they are presented in order of their predominant occurrence in american english words the s sound of c is more often encountered than its sh sound and the ch sound of c is rare but slanted letters ch together represent ch or rarely sh the t sound of d is often encountered in ed endings and its j sound is rare the only time f sounds v is in 34 of 34 the j sound of g is more often encountered than its zh sound letter q can sound k the z sound of s is more often encountered than its zh sound and its sh sound is rare the sh sound of z is more often encountered than.