-ey a-a a-b a-z aaa aab aae aag aan aay aaz ab- aba abb abe abg abn aby abz aea aeb aee aeg aen aey aez ag- aga agb age agg agn agy agz an- ana anb ane ang ann any anz ay- aya aye ayn ayz az- aza azb aze azg azn azy azz baa bab bae bag ban bay baz bba bbb bbe bbg bbn bby be- bea beb bee beg ben bey bez bga bgb bge bgg bgn bgz bna bnb bne bng bnn bnz by- bya bye byg byn byz bza bze bzn bzz eaa eab eae eag ean eaz eba ebb ebe ebg ebn eby eea eeb eee eeg een eey ega egb ege egg egn egy en- ena enb ene eng enn eny enz eya eye eyn eze ezz gaa gab gae gag gan gay gaz gba gbe gbg gbn gby gbz ge- gea geb gee geg gen gey gez gga ggb ggg ggn ggz gna gnb gne gnn gy- gya gyb gye gyn gza naa nab nae nag nan nay naz nba nbb nbe nbg nbn ne- nea neb nee neg nen ney nez nga ngb nge ngg ngn nna nnb nne nng nnn nnz nya nye nyg nyn nyy nzb nze nzg nzz yaa yab yae yag yan yay yaz ybe ybg yby ybz yea yeb yee yeg yen yey yez yga yna yne yng ynn yny yyb yye yyg yyy yyz yzb yzy z-g zaa zab zag zan zay zaz zbb zby zea zeb zee zen zez zgb zgg zne znn zzy zzz