a-a a-b a-t aaa aab aae aaf aam aan aao aat aau ab- aba abb abe abf abm abn abo abt abu aea aeb aee aef aem aen aeo aet aeu af- afa afb afe aff afm afn afo aft afu ama amb ame amf amm amn amo amt amu an- ana anb ane anf anm ann ano ant anu aoa aob aoe aof aom aon aoo aot aou at- ata atb ate atf atm atn ato att atu au- aua aub aue auf aum aun auo aut b-u baa bab bae baf bam ban bao bat bau bba bbb bbe bbf bbm bbn bbo bbt bbu be- bea beb bee bef bem ben beo bet beu bfa bfb bfe bff bfm bfn bfo bft bfu bma bmb bme bmf bmm bmn bmo bmt bmu bna bnb bne bnf bnn bno bnt bnu boa bob boe bof bom bon boo bot bou bta btb bte btf btm btn bto btt btu bua bub bue buf bum bun buo but buu eaa eab eae eaf eam ean eao eat eau eba ebb ebe ebf ebm ebn ebo ebt ebu eea eeb eee eef eem een eeo eet ef- efa efb efe eff efm efo eft em- ema emb eme emf emm emn emo emt emu en- ena enb ene enf enm enn eno ent enu eo- eoa eob eoe eof eom eon eoo eot eou eta etb ete etf etm etn eto ett etu eu- eua eub eue euf eun eut faa fab fae faf fam fan fao fat fau fba fbb fbe fbf fbm fbn fbo fbt fbu fea feb fee fef fem fen feo fet feu ffa ffe fff ffm ffn ffo fft ffu fma fmb fme fmf fmm fmn fmo fmt fmu fna fnb fne fnf fnm fnn fnt fnu foa fob foe fof fom fon foo fot fou fta ftb fte ftf ftm ftn fto ftt ftu fua fub fue fuf fum fun fuo fut fuu m-f m-o maa mab mae maf mam man mao mat mau mba mbb mbe mbf mbm mbo mbt mbu mea meb mee mef mem men meo met meu mfa mfb mfe mff mfm mfn mfo mft mfu mma mmb mme mmf mmm mmn mmo mmt mmu mna mnb mne mnf mnm mnn mno mnt mnu moa mob moe mof mom mon moo mot mou mta mtb mte mtf mtm mtn mto mtt mtu mua mub mue muf mum mun mut muu naa nab nae naf nam nan nao nat nau nba nbb nbe nbf nbm nbn nbo nbt nbu ne- nea neb nee nef nem nen neo net neu nfa nfb nfe nff nfn nfo nft nfu nma nmb nme nmm nmn nmo nmt nmu nna nnb nne nnf nnm nnn nno nnt nnu no- noa nob noe nof nom non noo not nou nta ntb nte ntf ntm ntn nto ntt ntu nua nub nue num nun nuo nut nuu oaa oab oae oaf oam oan oao oat oau ob- oba obb obe obf obm obn obo obt obu oea oeb oee oef oem oen oeo oet of- ofa ofb ofe off ofm ofn ofo oft ofu om- oma omb ome omf omm omn omo omt omu on- ona onb one onf onn ono ont onu oo- ooa oob oof oom oon ooo oot ot- ota otb ote otf otm otn oto ott otu ou- oua oue ouf oum oun ouo out taa tab tae taf tam tan tao tat tau tba tbb tbe tbf tbm tbn tbo tbt tbu te- tea teb tee tef tem ten teo tet teu tfa tfb tfe tff tfm tfn tfo tft tfu tma tmb tme tmf tmm tmn tmo tmt tmu tna tnb tne tnf tnm tnn tno tnt to- toa tob toe tof tom ton too tot tou tta ttb tte ttf ttm ttn tto ttt ttu tua tub tue tuf tum tun tuo tut tuu ua- uaa uab uae uaf uam uan uao uat uau uba ubb ube ubf ubn ubo ubt ubu uea ueb uee uef uem uen uet ufa ufe uff ufm ufn ufo uft ufu um- uma umb ume umf umm umn umo umt umu un- una unb une unf unm unn uno unt unu uoa uob uoe uom uon uoo uot uta utb ute utf utm utn uto utt utu uua uue uum uun uut uuu