a-a a-b a-i a-t aaa aab aai aak aam aao aat aau ab- aba abb abi abk abm abo abt abu ai- aia aib aii aik aim aio ait aiu aka akb aki akk akm ako aku ama amb ami amk amm amo amt amu aoa aob aoi aok aom aoo aot aou at- ata atb ati atm ato att atu au- aua aub aui auk aum auo aut b-u baa bab bai bak bam bao bat bau bba bbb bbi bbk bbm bbo bbt bbu bi- bia bib bii bik bim bio bit biu bka bkb bkk bkm bko bkt bma bmb bmi bmk bmm bmo bmt bmu boa bob boi bok bom boo bot bou bta btb bti btk btm bto btt btu bua bub bui buk bum buo but buu ia- iaa iab iai iam iao iat iau iba ibb ibi ibk ibm ibo ibt ibu iia iib iii iim iio iit iiu ika ikb iki ikk iko ikt iku im- ima imb imi imm imo imt imu io- ioa iob ioi iom ioo iot iou ita itb iti itk itm ito itt itu iu- iua iub iui ium iut k-t ka- kaa kab kai kak kam kao kat kau kba kbb kbi kbk kbm kbo kbu kia kib kii kik kim kio kit kiu kkb kki kkk kkm kkt kku kma kmb kmi kmk kmm kmo kmt kmu koa kob koi kok kom koo kot kou kta ktb ktk ktm kto ktt ktu kub kui kuk kum kut kuu m-o maa mab mai mak mam mao mat mau mba mbb mbi mbk mbm mbo mbt mbu mi- mia mib mii mik mim mio mit miu mka mkb mkk mkm mko mkt mku mma mmb mmi mmk mmm mmo mmt mmu moa mob moi mok mom moo mot mou mta mtb mti mtk mtm mto mtt mtu mua mub mui muk mum mut muu o-i oaa oab oai oak oam oao oat oau ob- oba obb obi obk obm obo obt obu oia oib oii oik oim oio oit oiu oka okb oki okk oko oku om- oma omb omi omm omo omt omu oo- ooa oob ooi ook oom ooo oot ot- ota otb oti otk otm oto ott otu ou- oua oui ouk oum ouo out taa tab tai tak tam tao tat tau tba tbb tbi tbk tbm tbo tbt tbu tia tib tii tik tim tio tit tiu tka tkb tkk tkm tko tkt tma tmb tmi tmk tmm tmo tmt tmu to- toa tob toi tok tom too tot tou tta ttb tti ttk ttm tto ttt ttu tua tub tui tuk tum tuo tut tuu ua- uaa uab uai uak uam uao uat uau uba ubb ubi ubk ubo ubt ubu uia uib uii uim uio uit uiu uka ukb uki ukk uku um- uma umb umi umm umo umt umu uoa uob uok uom uoo uot uta utb uti utk utm uto utt utu uua uum uut uuu