a-a a-b a-t aaa aab aae aaf aam aan aat aau ab- aba abb abe abf abm abn abt abu aea aeb aee aef aem aen aet aeu af- afa afb afe aff afm afn aft afu ama amb ame amf amm amn amt amu an- ana anb ane anf anm ann ant anu at- ata atb ate atf atm atn att atu au- aua aub aue auf aum aun aut b-u baa bab bae baf bam ban bat bau bba bbb bbe bbf bbm bbn bbt bbu be- bea beb bee bef bem ben bet beu bfa bfb bfe bff bfm bfn bft bfu bma bmb bme bmf bmm bmn bmt bmu bna bnb bne bnf bnn bnt bnu bta btb bte btf btm btn btt btu bua bub bue buf bum bun but buu eaa eab eae eaf eam ean eat eau eba ebb ebe ebf ebm ebn ebt ebu eea eeb eee eef eem een eet ef- efa efb efe eff efm eft em- ema emb eme emf emm emn emt emu en- ena enb ene enf enm enn ent enu eta etb ete etf etm etn ett etu eu- eua eub eue euf eun eut faa fab fae faf fam fan fat fau fba fbb fbe fbf fbm fbn fbt fbu fea feb fee fef fem fen fet feu ffa ffe fff ffm ffn fft ffu fma fmb fme fmf fmm fmn fmt fmu fna fnb fne fnf fnm fnn fnt fnu fta ftb fte ftf ftm ftn ftt ftu fua fub fue fuf fum fun fut fuu m-f maa mab mae maf mam man mat mau mba mbb mbe mbf mbm mbt mbu mea meb mee mef mem men met meu mfa mfb mfe mff mfm mfn mft mfu mma mmb mme mmf mmm mmn mmt mmu mna mnb mne mnf mnm mnn mnt mnu mta mtb mte mtf mtm mtn mtt mtu mua mub mue muf mum mun mut muu naa nab nae naf nam nan nat nau nba nbb nbe nbf nbm nbn nbt nbu ne- nea neb nee nef nem nen net neu nfa nfb nfe nff nfn nft nfu nma nmb nme nmm nmn nmt nmu nna nnb nne nnf nnm nnn nnt nnu nta ntb nte ntf ntm ntn ntt ntu nua nub nue num nun nut nuu taa tab tae taf tam tan tat tau tba tbb tbe tbf tbm tbn tbt tbu te- tea teb tee tef tem ten tet teu tfa tfb tfe tff tfm tfn tft tfu tma tmb tme tmf tmm tmn tmt tmu tna tnb tne tnf tnm tnn tnt tta ttb tte ttf ttm ttn ttt ttu tua tub tue tuf tum tun tut tuu ua- uaa uab uae uaf uam uan uat uau uba ubb ube ubf ubn ubt ubu uea ueb uee uef uem uen uet ufa ufe uff ufm ufn uft ufu um- uma umb ume umf umm umn umt umu un- una unb une unf unm unn unt unu uta utb ute utf utm utn utt utu uua uue uum uun uut uuu