-vac a-do aaaa aaac aaad aaae aaav aaca aacc aacd aace aaco aact aacv aada aadc aade aadt aaea aaec aaev aaoe aaoo aata aatc aatt aava ac-t acaa acac acad acae acat acca accc accd acce acco acct acda acdc acde acdt ace- acea acec aced acet acev acoa acod acoe acot acta actc acte acto actt actv acvv adaa adac adad adae adao adat adcc adda addc addd adde addo adea adee adeo adet adoc adod adoe adoo adot adta advt aeac aect aede aedt aeta aetc aeto aett aeva aoca aoce aotc aotd at-t ataa atac atad atae atat atca atcc atco atdt atea atec ated atee ateo atoc atod atoe atot atta atte atto avao avat avcc avce avco avda avea avec aveo avot avva avvo c-cd caaa caac caat cac- caca cacc cace caco cada cadc cadd cade cado caec caod cat- cata catc catd cate cato catt catv cava cave cavo ccaa ccac ccad ccat ccca cccc cccv ccdc cced ccee ccoc ccod cctc cctt cctv ccvo cd-e cdaa cdac cdad cdda cdec cdot cdtv cdvd ceac cead ceat cec- ceca cece ceco cect ceda cedd cede cedo cedt ceec cet- ceta cete ceto cetv ceva cevo coad coat coca coce coco coct coda codd code coed cood coot cota cotc cote coto cott cova cove covo ctae ctca ctec ctot ctta ctvo ctvt cvac cvca cvcc cvet cvte d-tv daad daae daca dace dact dada dade dado data date dato datt dava dave dcca dccc dcct dccv dctc dctv dcvd dddd ddoc ddot ddtv deac dead deae dec- deca decc decd dece deco dect deda dedd dede dedo deed deet deev deta dete deto deva deve devo doae doat doca doce doco doct dod- doda dodd dode dodo doea dood doot dota dotd dote doto dott dove dtaa dtac dtcc dted dtot dvda dvoa eaca eacc eada eadd eaec eata eate eave ecaa ecac ecad ecao ecat ecca eccc ecce ecco ecct ecdc eced eco- ecod ecot ect- ecta ectc ecto ectv edac edad edca edda eddc edde eddo ede- edea edoc edod edta edtv edve eeca eede eeea eeee eeoc eeta eetc eete eeva eocd eode eota eotc eotd eoto etat etcc etco etec etee etoe etta ette etto etvo evac evae evat evea evet evoe evoo o-eo oade oate ocac ocad ocat occa occc occt oce oced ocee ocet oct- octa octe octo odac odda oddd odea oded odeo odet odoo odot odva oec- oeca oecc oedo oeec oeta ooaa ooda oooo otac otcd otea oted otee oto- otoe otoo otov otta otte otto ovda ovde ovee ovet ovo- ovod ovoo ovot taa- taat taca tacc tace taco tact tacv tada tade tado taec taoa tata tate tato tatt tatv tava tave tavo tcad tcca tccc tcdd tcov tctc tdac tdtv teac tead teat teca teco tect teda tedd tede teec teed teet teev teta tete teto tett teva toad toat toca toce toco toda todd tode todo todt toea toed toee toet tooa tood toot tota totc totd tote toto tott tova tove tovo tteo ttoe tttt tvac tvad tvtv vaad vaat vaca vace vaco vada vade vado vata vate vato vatt vava vcat vdcc vdec vdot veat vecc veda vedc vede vedo veet veta vete veto veve vevo voad voat voca voce voda vode vodo voet vooc voot vota votd vote voto vtac vtec vvvv