a-a a-b a-i a-t a-z aaa aab aai aan aat aay aaz ab- aba abb abi abn abt aby abz ai- aia aib aii ain ait aiy aiz an- ana anb ani ann ant any anz at- ata atb ati atn att atz ay- aya ayi ayn ayt ayz az- aza azb azi azn azt azy azz baa bab bai ban bat bay baz bba bbb bbi bbn bbt bby bi- bia bib bii bin bit biy biz bna bnb bni bnn bnt bnz bta btb bti btn btt bty btz by- bya byi byn byt byz bza bzn bzz ia- iaa iab iai ian iat iaz iba ibb ibi ibn ibt iby ibz iia iib iii iin iit in- ina inb ini inn int iny ita itb iti itn itt ity itz iya iyt iyy iza izi izy izz n-i naa nab nai nan nat nay naz nba nbb nbi nbn nbt nia nib nii nin nit niz nna nnb nni nnn nnt nnz nta ntb nti ntn ntt ntz nya nyn nyt nyy nzb nzi nzz taa tab tai tan tat tay taz tba tbb tbi tbn tbt tbz tia tib tii tin tit tiy tiz tna tnb tni tnn tnt tnz tta ttb tti ttn ttt tty tya tyn tyt tza yaa yab yai yan yat yay yaz ybi yby ybz yii yin yit yiz yna ynn yny yta ytn ytt yyb yyt yyy yyz yzb yzy zaa zab zai zan zat zay zaz zbb zbt zby zia zib zin zit ziz znn zta zzt zzy zzz