a-be a-ii aaaa aaab aaac aaae aaai aaam aaba aabb aabc aabi aabm aabt aaca aacb aacc aace aaci aacm aact aaea aaec aaem aaib aaic aaii aama aamb aamc aame aami aata aatc aatt abaa abab abac abae abai abam abat abb- abba abbb abbe abbi abbt abca abcb abcc abci abct abec abee abet abia abib abic abie abim abit abma abmb abmc abmt abta ac-t acaa acab acac acae acai acat acba acca accc acce acci accm acct ace- acea acec acem acet aci- acia acic acie acim acma acmc acme acmi acta actc acte acti actt aeac aebi aecb aeci aect aeit aemt aeta aetc aett aiai aiba aica aicc aice aiea aiee aiet aiia aiib aiic aimc aime aimi aimm aita aite aiti aitt amaa amac amae amai amam amat amb- amba ambe ambi amca amcc amec amee amei amet amia amib amic amie amii amit amm- amma amme ammi amta amtc amte amti at-t ataa atab atac atae atai atat atca atcc atea atec atee atei atem atia atic atie atim atit atm- atma atme atta atte atti ba-i baaa baam baat baba babb babe babi babm bac- baca bacc bace baci bact baia baib baic baie bait bama bamb bamc bame bami bamm bata batc bate bati batt bbbb bbci bbcm bbeb bbet bcaa bcam bcat bcbc bcca bccc bcci bccm bcec bcet bcia bcie bcit bcma bctc beam beat beba bebb bebe bebi beca beci beeb beem beet beia beic beim beit bema beme beta betc bete beti bett biat biba bibb bibe bibi bica bicc bice bici bieb biet bima bita bitc bite bitt bmaa bmce bmci bmic bmmi bmtc btaa btcc btec btie bttb caaa caab caac caam caat caba cabe cabi cac- caca cacc cace caci cacm caec caei caem caia caib caic caim cait cama camb camc came cami camm camt cat- cata catb catc cate cati catm catt cbac cbat cbbc cbca cbcc cbce cbcm cbct cbea cbec cbee cbet cbia cbit cbme cbta cbtc ccaa ccab ccac ccai ccam ccat ccba ccbc ccca cccb cccc ccci cccm ccee ccic ccii ccim ccma ccmb ccmc ccmm cctb cctc cctt ceac ceat ceba cec- ceca cece ceci cecm cect ceeb ceec ceem ceim cema cemb ceme cemm cet- ceta cete ceti ciaa ciam ciat ciba cibc cibe cibi cica cicc cici cict ciee ciia ciii ciit cima cimb cime cimi cimm cita citb cite citi citt cmaa cmac cmba cmbc cmcc cmea cmec cmii cmmb cmmc cmmi cmta cmtc ctab ctae ctba ctbi ctca ctec ctia ctic ctma ctta eaba eaca eacc eaec eama eame eata eate eati ebac ebam ebba ebbc ebcc ebic ebit ecaa ecac ecai ecam ecat ecbc ecbe ecca eccb eccc ecce ecci eccm ecct ecem ecib ecim ecit ecma ecmi ect- ecta ectc eeca eeea eeee eeta eetc eete eica eiec eiei eime eimi eita eitb eitc eiti eitm emac emae emam emba embe embi emcc emet emia emic emii emim emit emma emme emmi emta emte etai etam etat etbc etcc etec etee etem etic etim etta ette etti i-be iaaa iaac iaai iaat iaba iabm iaca iacc iact iaea iaec iaia iaim iama iamb iame iami iamt iata iatc iate iati ibac ibat ibbm ibca ibea ibec ibet ibia ibie ibim ibma ibtb ibtc icaa icab icac icai icam icat icbc icbm icca iccb iccc icci icct icea icec icee icem icet icma icmc icme icmi icmm icmt icta ieac ieat iecc ieet ieie iema ieme ieta ietm iett iiac iica iiie iiii iiit iimc iita iitm iitt imac imai imam imat imba imbe imbi imca imcb imci imea imec imet imit imma imme immi immt imta itaa itac itai itam itat itbe itcm itea itec item itet itia itic itie itim itma itme itta ma-i maaa maac maai maam maat maba mabe mabi mac- maca macb macc mace maci mact maee maem maia maib maie maii maim mait mama mamc mame mami mata matc mate mati matt mbac mbam mbba mbca mbci mbia mbim mbta mcaa mcac mcat mcba mcbc mcbi mcca mccc mcci mcia mcic mcii mcit mcmc mcmi mcmt mctc meai meat mebe mec- meca mecc mece meem meet meic meit mema memc meme met- meta mete meti mett miaa miab miac miai miam miat mibc mica micc mice mici mict miee miem miet miii miit mim- mima mime mimi mit- mita mitb mitc mite miti mitm mitt mmaa mmab mmac mmai mmcc mmci mmcm mmct mmea mmic mmii mmmc mmmm mtaa mtab mtac mtbc taa- taat taba tabb tabc tabe tabi taca tacc tace taci tact taec taem taia taim tait tama tamc tame tami tamm tata tatb tate tati tatt tbca tbcb tbcc tbce tbit tbta tcam tcca tccc tctc teac team teat teba teca tect teec teem teet teia teic teie teim tema teme teta tete teti tett tiaa tiab tiba tibi tica ticc tice tie- tiea tiee tiei tiet tiit tima time timi timm tita titc tite titi titt tmaa tmac tmbc tmca tmcc tmcm tmtt ttab ttbb ttim ttma tttt