    Sentence 1: 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.    Sentence 2: There are no one-letter words in  our lexicon