a-a a-b a-t a-z aaa aab aae aaf aag aak aan aat aau aaz ab- aba abb abe abf abg abk abn abt abu abz aea aeb aee aef aeg aek aen aet aeu aez af- afa afb afe aff afg afk afn aft afu afz ag- aga agb age agf agg agk agn agt agu agz aka akb ake akg akk akn aku an- ana anb ane anf ang ank ann ant anu anz at- ata atb ate atf atg atn att atu atz au- aua aub aue auf aug auk aun aut auz az- aza azb aze azf azg azn azt azu azz b-u baa bab bae baf bag bak ban bat bau baz bba bbb bbe bbf bbg bbk bbn bbt bbu be- bea beb bee bef beg bek ben bet beu bez bfa bfb bfe bff bfg bfn bft bfu bfz bga bgb bge bgf bgg bgk bgn bgt bgu bgz bka bkb bke bkf bkg bkk bkn bkt bna bnb bne bnf bng bnk bnn bnt bnu bnz bta btb bte btf btg btk btn btt btu btz bua bub bue buf bug buk bun but buu buz bza bze bzf bzn bzu bzz eaa eab eae eaf eag eak ean eat eau eaz eba ebb ebe ebf ebg ebk ebn ebt ebu eea eeb eee eef eeg eek een eet ef- efa efb efe eff efg eft ega egb ege egf egg egn egt egu eka ekb eke ekf ekg ekt eku en- ena enb ene enf eng enk enn ent enu enz eta etb ete etf etg etk etn ett etu etz eu- eua eub eue euf eug eun eut eze ezf ezz faa fab fae faf fag fak fan fat fau faz fba fbb fbe fbf fbg fbk fbn fbt fbu fea feb fee fef feg fek fen fet feu fez ffa ffe fff ffg ffk ffn fft ffu ffz fga fgb fge fgf fgg fgn fgt fgz fka fkb fkf fkg fkk fkt fna fnb fne fnf fng fnk fnn fnt fnu fnz fta ftb fte ftf ftg ftk ftn ftt ftu ftz fua fub fue fuf fug fuk fun fut fuu gaa gab gae gaf gag gak gan gat gau gaz gba gbe gbf gbg gbk gbn gbt gbu gbz ge- gea geb gee gef geg gek gen get geu gez gfa gfb gfe gff gfk gft gfz gga ggb ggg ggn ggt ggu ggz gka gkb gkn gkt gna gnb gne gnf gnn gnt gnu gta gtb gte gtf gtg gtk gtn gtt gtu gu- gua gub gue guf gug guk gun gut guu guz gza gzu k-t k-z ka- kaa kab kae kaf kag kak kan kat kau kaz kba kbb kbe kbf kbk kbn kbu kbz ke- kea keb kee kef keg kek ken ket kez kfa kff kfg kfu kga kgb kgf kgu kkb kke kkk kkn kkt kku kn- kna kne knf kng knk knn knt knu kta ktb kte ktf ktg ktk ktn ktt ktu kub kue kug kuk kun kut kuu naa nab nae naf nag nak nan nat nau naz nba nbb nbe nbf nbg nbk nbn nbt nbu ne- nea neb nee nef neg nek nen net neu nez nfa nfb nfe nff nfk nfn nft nfu nga ngb nge ngf ngg ngk ngn ngt ngu nka nke nkf nkk nkn nkt nku nna nnb nne nnf nng nnk nnn nnt nnu nnz nta ntb nte ntf ntg ntk ntn ntt ntu ntz nua nub nue nug nuk nun nut nuu nzb nze nzf nzg nzz taa tab tae taf tag tak tan tat tau taz tba tbb tbe tbf tbg tbk tbn tbt tbu tbz te- tea teb tee tef teg tek ten tet teu tez tfa tfb tfe tff tfg tfk tfn tft tfu tga tgb tge tgf tgg tgk tgn tgt tgu tgz tka tkb tke tkg tkk tkt tkz tna tnb tne tnf tng tnk tnn tnt tnz tta ttb tte ttf ttg ttk ttn ttt ttu tua tub tue tuf tug tuk tun tut tuu tuz tza tze tzf tzu ua- uaa uab uae uaf uag uak uan uat uau uaz uba ubb ube ubf ubg ubk ubn ubt ubu uea ueb uee uef ueg uen uet ufa ufe uff ufg ufn uft ufu uga ugb uge ugf ugg ugk ugn ugt ugu uka ukb uke ukf ukk ukn uku ukz un- una unb une unf ung unk unn unt unu uta utb ute utf utk utn utt utu utz uua uue uug uun uut uuu uza uzb uzu z-g zaa zab zaf zag zak zan zat zaz zbb zbt zea zeb zee zef zek zen zet zez zfa zfn zgb zgg zka zne znn zta zte zub zug zuk zun zut zuz zzt zzz