Thus we now have the big A as well as the A-word and the M-question as well as the M-word .  Perhaps we shall see such forms as the little A , the new A , or the A-option . If these variants prove productive, the lexicon of one-letter words could  spread like wild flowers,  as Sam Goldwyn once said.
( Thus ( we ( ( now ( ( ( have ( ( ( the ( big A ) ) ( as ( well as ) ) ) ( the A-word ) ) ) and ) ( ( ( ( the M-question ) ( as ( well as ) ) ) ( the ( ( M-word . ) Perhaps ) ) ) ( ( ( ( we ( shall ( ( see ( such forms ) ) ( as ( ( ( the ( little A ) ) , ) ( the ( new A ) ) ) ) ) ) ) , ) or ) ( ( the ( A-option . ) ) ( ( If ( ( these variants ) ( prove productive ) ) ) ( , ( ( ( the lexicon ) ( of ( one-letter words ) ) ) ( could ( ( ( spread ( like ( wild flowers ) ) ) , ) ( as ( ( Sam Goldwyn ) ( once said ) ) ) ) ) ) ) ) ) ) ) ) ) . ) ) )
(ROOT (S (ADVP (RB Thus)) (NP (PRP we)) (VP (ADVP (RB now)) (VP (VBP have) (NP (NP (DT the) (JJ big) (NN A)) (CONJP (RB as) (RB well) (IN as)) (NP (DT the) (NN A-word)))) (CC and) (VP (NP (NP (DT the) (NN M-question)) (CONJP (RB as) (RB well) (IN as)) (NP (DT the) (RRC (ADJP (JJ M-word) (. .)) (ADVP (RB Perhaps))))) (SBAR (SBAR (S (NP (PRP we)) (VP (MD shall) (VP (VB see) (NP (JJ such) (NNS forms)) (PP (IN as) (NP (NP (DT the) (JJ little) (NN A)) (, ,) (NP (DT the) (JJ new) (NN A)))))))) (, ,) (CC or) (SBAR (X (DT the) (ADJP (JJ A-option) (. .))) (S (SBAR (IN If) (S (NP (DT these) (NNS variants)) (VP (VB prove) (ADJP (JJ productive))))) (, ,) (NP (NP (DT the) (NN lexicon)) (PP (IN of) (NP (JJ one-letter) (NNS words)))) (VP (MD could) (VP (VB spread) (PP (IN like) (NP (JJ wild) (NNS flowers))) (, ,) (SBAR (IN as) (S (NP (NNP Sam) (NNP Goldwyn)) (ADVP (RB once)) (VP (VBD said))))))))))) (. .)))
There are different questions fro the different words
( There ( ( are ( different questions ) ) ( fro ( the ( different words ) ) ) ) )
(ROOT (S (NP (EX There)) (VP (VBP are) (NP (JJ different) (NNS questions)) (ADVP (RB fro) (NP (DT the) (JJ different) (NNS words))))))