a-a a-b a-t aaa aab aae aam aan aao aat aau ab- aba abb abe abm abn abo abt abu aea aeb aee aem aen aeo aet aeu ama amb ame amm amn amo amt amu an- ana anb ane anm ann ano ant anu aoa aob aoe aom aon aoo aot aou at- ata atb ate atm atn ato att atu au- aua aub aue aum aun auo aut b-u baa bab bae bam ban bao bat bau bba bbb bbe bbm bbn bbo bbt bbu be- bea beb bee bem ben beo bet beu bma bmb bme bmm bmn bmo bmt bmu bna bnb bne bnn bno bnt bnu boa bob boe bom bon boo bot bou bta btb bte btm btn bto btt btu bua bub bue bum bun buo but buu eaa eab eae eam ean eao eat eau eba ebb ebe ebm ebn ebo ebt ebu eea eeb eee eem een eeo eet em- ema emb eme emm emn emo emt emu en- ena enb ene enm enn eno ent enu eo- eoa eob eoe eom eon eoo eot eou eta etb ete etm etn eto ett etu eu- eua eub eue eun eut m-o maa mab mae mam man mao mat mau mba mbb mbe mbm mbo mbt mbu mea meb mee mem men meo met meu mma mmb mme mmm mmn mmo mmt mmu mna mnb mne mnm mnn mno mnt mnu moa mob moe mom mon moo mot mou mta mtb mte mtm mtn mto mtt mtu mua mub mue mum mun mut muu naa nab nae nam nan nao nat nau nba nbb nbe nbm nbn nbo nbt nbu ne- nea neb nee nem nen neo net neu nma nmb nme nmm nmn nmo nmt nmu nna nnb nne nnm nnn nno nnt nnu no- noa nob noe nom non noo not nou nta ntb nte ntm ntn nto ntt ntu nua nub nue num nun nuo nut nuu oaa oab oae oam oan oao oat oau ob- oba obb obe obm obn obo obt obu oea oeb oee oem oen oeo oet om- oma omb ome omm omn omo omt omu on- ona onb one onn ono ont onu oo- ooa oob oom oon ooo oot ot- ota otb ote otm otn oto ott otu ou- oua oue oum oun ouo out taa tab tae tam tan tao tat tau tba tbb tbe tbm tbn tbo tbt tbu te- tea teb tee tem ten teo tet teu tma tmb tme tmm tmn tmo tmt tmu tna tnb tne tnm tnn tno tnt to- toa tob toe tom ton too tot tou tta ttb tte ttm ttn tto ttt ttu tua tub tue tum tun tuo tut tuu ua- uaa uab uae uam uan uao uat uau uba ubb ube ubn ubo ubt ubu uea ueb uee uem uen uet um- uma umb ume umm umn umo umt umu un- una unb une unm unn uno unt unu uoa uob uoe uom uon uoo uot uta utb ute utm utn uto utt utu uua uue uum uun uut uuu