a-a a-b a-i a-z aaa aab aai aak aam aao aaz ab- aba abb abi abk abm abo abz ai- aia aib aii aik aim aio aiz aka akb aki akk akm ako ama amb ami amk amm amo amz aoa aob aoi aok aom aoo az- aza azb azi azm azo azz baa bab bai bak bam bao baz bba bbb bbi bbk bbm bbo bi- bia bib bii bik bim bio biz bka bkb bkk bkm bko bma bmb bmi bmk bmm bmo bmz boa bob boi bok bom boo boz bza bzo bzz ia- iaa iab iai iam iao iaz iba ibb ibi ibk ibm ibo ibz iia iib iii iim iio ika ikb iki ikk iko im- ima imb imi imm imo imz io- ioa iob ioi iom ioo iza izi izm izo izz k-z ka- kaa kab kai kak kam kao kaz kba kbb kbi kbk kbm kbo kbz kia kib kii kik kim kio kiz kkb kki kkk kkm kma kmb kmi kmk kmm kmo kmz koa kob koi kok kom koo koz kzo m-o maa mab mai mak mam mao maz mba mbb mbi mbk mbm mbo mi- mia mib mii mik mim mio miz mka mkb mkk mkm mko mkz mma mmb mmi mmk mmm mmo mmz moa mob moi mok mom moo moz mza mzb mzi mzm o-i oaa oab oai oak oam oao ob- oba obb obi obk obm obo oia oib oii oik oim oio oiz oka okb oki okk oko om- oma omb omi omm omo omz oo- ooa oob ooi ook oom ooo oza ozm ozo ozz zaa zab zai zak zam zao zaz zbb zbm zia zib zik zim zio ziz zka zma zmb zmk zmm zo- zoa zob zoi zok zom zoo zzz