a-a a-b a-c a-t aaa aab aac aae aam aao aat aau ab- aba abb abc abe abm abo abt abu ac- aca acb acc ace acm aco act acu aea aeb aec aee aem aeo aet aeu ama amb amc ame amm amo amt amu aoa aob aoc aoe aom aoo aot aou at- ata atb atc ate atm ato att atu au- aua aub auc aue aum auo aut b-u baa bab bac bae bam bao bat bau bba bbb bbc bbe bbm bbo bbt bbu bca bcb bcc bce bcm bco bct bcu be- bea beb bec bee bem beo bet beu bma bmb bmc bme bmm bmo bmt bmu boa bob boc boe bom boo bot bou bta btb btc bte btm bto btt btu bua bub buc bue bum buo but buu c-- caa cab cac cae cam cao cat cau cba cbb cbc cbe cbm cbo cbt cbu cca ccb ccc cce ccm cco cct ccu ce- cea ceb cec cee cem ceo cet ceu cma cmb cmc cme cmm cmo cmt cmu co- coa cob coc coe com coo cot cou cta ctb ctc cte ctm cto ctt ctu cua cub cuc cue cum cuo cut cuu eaa eab eac eae eam eao eat eau eba ebb ebc ebe ebm ebo ebt ebu ec- eca ecb ecc ece ecm eco ect ecu eea eeb eec eee eem eeo eet em- ema emb emc eme emm emo emt emu eo- eoa eob eoc eoe eom eoo eot eou eta etb etc ete etm eto ett etu eu- eua eub euc eue eut m-o maa mab mac mae mam mao mat mau mba mbb mbc mbe mbm mbo mbt mbu mc- mca mcb mcc mce mcm mco mct mcu mea meb mec mee mem meo met meu mma mmb mmc mme mmm mmo mmt mmu moa mob moc moe mom moo mot mou mta mtb mtc mte mtm mto mtt mtu mua mub muc mue mum mut muu oaa oab oac oae oam oao oat oau ob- oba obb obc obe obm obo obt obu oc- oca ocb occ ocm oco oct ocu oea oeb oec oee oem oeo oet om- oma omb omc ome omm omo omt omu oo- ooa oob ooc oom ooo oot ot- ota otb otc ote otm oto ott otu ou- oua ouc oue oum ouo out taa tab tac tae tam tao tat tau tba tbb tbc tbe tbm tbo tbt tbu tca tcb tcc tce tcm tco tct tcu te- tea teb tec tee tem teo tet teu tma tmb tmc tme tmm tmo tmt tmu to- toa tob toc toe tom too tot tou tta ttb ttc tte ttm tto ttt ttu tua tub tuc tue tum tuo tut tuu ua- uaa uab uac uae uam uao uat uau uba ubb ubc ube ubo ubt ubu uca ucb ucc uce ucm uco uct ucu uea ueb uec uee uem uet um- uma umb umc ume umm umo umt umu uoa uob uoc uoe uom uoo uot uta utb utc ute utm uto utt utu uua uuc uue uum uut uuu

a-be aaaa aaab aaac aaae aaam aaba aabb aabc aabm aabt aaca aacb aacc aace aacm aaco aact aacu aaea aaec aaem aama aamb aamc aame aamo aaoe aaoo aata aatc aatt abaa abab abac abae abam abat abau abb- abba abbb abbe abbo abbt abca abcb abcc abct abec abee abet abma abmb abmc abmt aboa abob aboo abot abou abta abtu abua abue abum abut ac-t acaa acab acac acae acat acba acca accc acce accm acco acct accu ace- acea acec acem acet acma acmc acme acmu acoa acoe acom acot acou acta actc acte acto actt actu acu- acue acum acuo acut aeac aecb aect aemt aeom aeta aetc aeto aett amaa amac amae amam amat amb- amba ambe ambo ambu amca amcc amco amec amee amet ameu amm- amma amme ammo ammu amob amoc amoo amot amou amta amtc amte amto amua amum aoba aoca aoce aoeu aoma aotc aout at-t ataa atab atac atae atat atca atcc atco atea atec atee atem ateo atm- atma atme atmo atmu atob atoc atoe atom atot atta atte atto attu atua atub atuc atum auaa aube auca auce auct auma aut- aute auto baaa baam baat baba babb babe babm babo babu bac- baca bacc bace baco bact bama bamb bamc bame bamm bamu bata batc bate bato batt batu bau- baum bbau bbbb bbcm bbeb bbet bcaa bcam bcat bcbc bcca bccc bccm bcec bcet bcma bctc bcuc beam beat beau beba bebb bebe bebo beca becu beeb beem beet bema beme bemu beo- beot beta betc bete beto bett betu bmaa bmce bmoc bmtc boab boac boat boba bobb bobe bobo bobu boca boce bocm boco bocu boea boec boee boeo boet boma bomb bome bomt bomu boob booc booe boom boot bota botb bote boto bott boua boue boum bout btaa btcc btec btob bttb buat buba bubb bube bubo bubu buca bucc buce buco bucu buea buem bueu bum- buma bumb but- buta bute buto butt c-bo caaa caab caac caam caat caba cabe cabo cabu cac- caca cacc cace cacm caco caec caem caeu cama camb camc came camm camo camt cat- cata catb catc cate catm cato catt catu cauc caum cauo caut cbac cbat cbbc cbca cbcc cbce cbcm cbct cbcu cbea cbec cbee cbet cbme cbot cbta cbtc ccaa ccab ccac ccam ccat ccba ccbc ccca cccb cccc cccm cccu ccee ccma ccmb ccmc ccmm ccob ccoc ccom cctb cctc cctt ccuc ccut ceac ceat ceba cebu cec- ceca cece cecm ceco cect ceeb ceec ceem cema cemb ceme cemm cemu ceou cet- ceta cete ceto cmaa cmac cmba cmbc cmcc cmea cmec cmmb cmmc cmoc cmot cmta cmtc cmtu coat coba cobb cobe cobo cobu coca coce coco coct cocu com- coma comb comc come comm como comu coob coom coot cota cotb cotc cote