a-be a-ii aaaa aaab aaac aaae aaai aaba aabb aabc aabi aabt aaca aacb aacc aace aaci aaco aact aaea aaec aaib aaic aaii aaoe aaoo aata aatc aatt abaa abab abac abae abai abaj abat abb- abba abbb abbe abbi abbo abbt abca abcb abcc abci abct abec abee abet abia abib abic abie abit aboa abob aboo abot abta ac-t acaa acab acac acae acai acat acba acca accc acce acci acco acct ace- acea acec acet aci- acia acic acie acoa acoe acot acta actc acte acti acto actt aeac aebi aecb aeci aect aeio aeit aeta aetc aeto aett aiai aiba aibo aica aicc aice aiea aiee aiet aiia aiib aiic aija aioc aioi aita aite aiti aitt ajab ajac ajao ajat ajba ajee ajet ajio ajit ajob ajoo ajot aoba aoca aoce aotc at-t ataa atab atac atae atai atat atca atcc atco atea atec atee atei ateo atia atic atie atit atob atoc atoe atoi atot atta atte atti atto ba-i baaa baat baba babb babe babi babo bac- baca bacc bace baci baco bact baia baib baic baie baio bait baja baji bata batc bate bati bato batt bbbb bbci bbeb bbet bcaa bcat bcbc bcca bccc bcci bcec bcet bcia bcie bcit bctc beat beba bebb bebe bebi bebo beca beci beeb beej beet beia beic beij beit beja beo- beot beta betc bete beti beto bett biaj biao biat biba bibb bibe bibi bibo bica bicc bice bici bico bieb biet bija biji bio- bioc bioi biot bita bitc bite bito bitt bjcc bjec bjoa boab boac boai boat boba bobb bobe bobi bobo boca boce boco boea boec boee boeo boet boi- boie boii boit boji bojo bojt boob booc booe boot bota botb bote boti boto bott btaa btcc btec btie btob bttb c-bo caaa caab caac caat caba cabe cabi cabo cac- caca cacc cace caci caco caec caei caia caib caic caio cait caja caji caoi cat- cata catb catc cate cati cato catt cbac cbat cbbc cbca cbcc cbce cbct cbea cbec cbee cbet cbia cbit cbot cbta cbtc ccaa ccab ccac ccai ccat ccba ccbc ccca cccb cccc ccci ccee ccic ccii ccjo ccob ccoc cctb cctc cctt ceac ceat ceba cec- ceca cece ceci ceco cect ceeb ceec ceja cejc cet- ceta cete ceti ceto ciaa ciao ciat ciba cibc cibe cibi cibo cica cicc cici cico cict ciee ciia ciii ciit ciob cita citb cite citi cito citt cjbc cjca cjcb cjcj cjic cjob cjoi coai coat coba cobb cobe cobi cobo coca coce coco coct coia coit cojo coob coot cota cotb cotc cote coti coto cott ctab ctae ctba ctbi ctca ctec ctia ctic ctot ctta eaba eaca eacc eaec eata eate eati ebac ebba ebbc ebbo ebcc ebic ebit eboe eboo ecaa ecac ecai ecao ecat ecbc ecbe ecca eccb eccc ecce ecci ecco ecct ecib ecit eco- ecot ect- ecta ectc ecto eeca eeea eeee eeoc eeta eetc eete eiao eica eico eiec eiei eija eiji eita eitb eitc eiti eito ejit ejji ejob ejoo ejot eota eotc eoto etai etat etbc etcc etco etec etee etic etio etoe etta ette etti etto i-be iaaa iaac iaai iaat iaba iaca iacc iact iaea iaec iaia iata iatc iate iati ibac ibat ibca ibea ibec ibet ibia ibie ibot ibtb ibtc icaa icab icac icai icao icat icbc icca iccb iccc icci icco icct icea icec icee icet icoc icta ieac ieat iecc ieet ieie ieio ieta iett iiac iica iiie iiii iiio iiit iioi iioo iita iitt ijet ijji ioba iobi ioci ioee ioii ioio ioit iooi iooo iota iote ioto itaa itac itai itat itbe itea itec itet itia itic itie itoi itoo itta itto jaba jabi jabo jaca jacc jace jaci jaco jaja jaji jati jato jbaa jbob jcbc jccc jcci jeat jebb jebe jeci jeet jeit jeta jetb jete jeti jett jiao jibb jibe jibi jiet jije jiji jiti jito jjcc joab joao joba jobe jobo joca joce joco joea joee joia joie joio joit joji jojo joot jota joto jott jtac jtbc jtcc o-eo oaic oate obai obba obbo obea obec obet obia obie obit obja oboe oboi obot ocab ocac ocat ocbc occa occc occi occt oce ocee ocet oct- octa octe octi octo oec- oeca oecc oeec oeta oeti oiaj oiba oici oiii oita oitc oiti ojai ojea ooaa ooba oobe oobi ooia ooij ooji oooo ootb otac otea otee otic otit oto- otoe otoo otta otte otti otto taa- taat taba tabb tabc tabe tabi tabo taca tacc tace taci taco tact taec taia taio tait tajo taoa tata tatb tate tati tato tatt tbca tbcb tbcc tbce tbit tbta tcca tccc tctc teac teat teba tebo teca teco tect teec teej teet teia teic teie teja tejo teta tete teti teto tett tiaa tiab tiao tiba tibi tica ticc tice tico tie- tiea tiee tiei tieo tiet tiit tiji tijo tita titc tite titi tito titt toab toat toba tobe tobi tobo tobt toca toce toci toco toea toee toei toet toie toit toja toji tojo tooa toot tota totc tote toti toto tott ttab ttbb tteo ttoe tttt