-al a-a a-b a-i a-t a-z aaa aab aag aai aal aat aaz ab- aba abb abg abi abl abt abz ag- aga agb agg agi agl agt agz ai- aia aib aig aii ail ait aiz al- ala alb alg ali all alt alz at- ata atb atg ati atl att atz az- aza azb azg azi azt azz baa bab bag bai bal bat baz bba bbb bbg bbi bbl bbt bga bgb bgg bgi bgl bgt bgz bi- bia bib big bii bil bit biz bla blb blg bli bll blt blz bta btb btg bti btl btt btz bza bzz gaa gab gag gai gal gat gaz gba gbg gbi gbl gbt gbz gga ggb ggg ggi ggt ggz gia gib gig gii gil git giz gla glb glg gli gll glt glz gta gtb gtg gti gtl gtt gza ia- iaa iab iag iai ial iat iaz iba ibb ibg ibi ibl ibt ibz iga igb igg igi igl igt iia iib iii iil iit il- ila ilb ilg ili ill ilt ilz ita itb itg iti itl itt itz iza izi izz la- laa lab lag lai lal lat laz lba lbb lbg lbi lbl lbt lga lgb lgg lgi lgl lgt lia lib lig lii lil lit liz lla llb llg lli lll llt llz lta ltb ltg lti ltl ltt ltz lzi taa tab tag tai tal tat taz tba tbb tbg tbi tbl tbt tbz tga tgb tgg tgi tgl tgt tgz tia tib tig tii til tit tiz tla tlg tli tll tlt tlz tta ttb ttg tti ttl ttt tza z-g zaa zab zag zai zat zaz zbb zbl zbt zgb zgg zgi zia zib zig zil zit ziz zla zlt zta ztl zzt zzz