a-a a-b a-i a-t aaa aab aai aam aan aao aat aau ab- aba abb abi abm abn abo abt abu ai- aia aib aii aim ain aio ait aiu ama amb ami amm amn amo amt amu an- ana anb ani anm ann ano ant anu aoa aob aoi aom aon aoo aot aou at- ata atb ati atm atn ato att atu au- aua aub aui aum aun auo aut b-u baa bab bai bam ban bao bat bau bba bbb bbi bbm bbn bbo bbt bbu bi- bia bib bii bim bin bio bit biu bma bmb bmi bmm bmn bmo bmt bmu bna bnb bni bnn bno bnt bnu boa bob boi bom bon boo bot bou bta btb bti btm btn bto btt btu bua bub bui bum bun buo but buu ia- iaa iab iai iam ian iao iat iau iba ibb ibi ibm ibn ibo ibt ibu iia iib iii iim iin iio iit iiu im- ima imb imi imm imn imo imt imu in- ina inb ini inm inn ino int inu io- ioa iob ioi iom ion ioo iot iou ita itb iti itm itn ito itt itu iu- iua iub iui ium iut m-o maa mab mai mam man mao mat mau mba mbb mbi mbm mbo mbt mbu mi- mia mib mii mim min mio mit miu mma mmb mmi mmm mmn mmo mmt mmu mna mnb mni mnm mnn mno mnt mnu moa mob moi mom mon moo mot mou mta mtb mti mtm mtn mto mtt mtu mua mub mui mum mun mut muu n-i naa nab nai nam nan nao nat nau nba nbb nbi nbm nbn nbo nbt nbu nia nib nii nim nin nio nit niu nma nmb nmi nmm nmn nmo nmt nmu nna nnb nni nnm nnn nno nnt nnu no- noa nob noi nom non noo not nou nta ntb nti ntm ntn nto ntt ntu nua nub nui num nun nuo nut nuu o-i oaa oab oai oam oan oao oat oau ob- oba obb obi obm obn obo obt obu oia oib oii oim oin oio oit oiu om- oma omb omi omm omn omo omt omu on- ona onb oni onn ono ont onu oo- ooa oob ooi oom oon ooo oot ot- ota otb oti otm otn oto ott otu ou- oua oui oum oun ouo out taa tab tai tam tan tao tat tau tba tbb tbi tbm tbn tbo tbt tbu tia tib tii tim tin tio tit tiu tma tmb tmi tmm tmn tmo tmt tmu tna tnb tni tnm tnn tno tnt to- toa tob toi tom ton too tot tou tta ttb tti ttm ttn tto ttt ttu tua tub tui tum tun tuo tut tuu ua- uaa uab uai uam uan uao uat uau uba ubb ubi ubn ubo ubt ubu uia uib uii uim uin uio uit uiu um- uma umb umi umm umn umo umt umu un- una unb uni unm unn uno unt unu uoa uob uom uon uoo uot uta utb uti utm utn uto utt utu uua uum uun uut uuu