-vac aaaa aaac aaad aaae aaav aaca aacc aacd aace aact aacv aada aadc aade aadt aaea aaec aaev aata aatc aatt aava ac-t acaa acac acad acae acat acca accc accd acce acct acda acdc acde acdt ace- acea acec aced acet acev acta actc acte actt actv acvv adaa adac adad adae adat adcc adda addc addd adde adea adee adet adta advt aeac aect aede aedt aeta aetc aett aeva at-t ataa atac atad atae atat atca atcc atdt atea atec ated atee atta atte avat avcc avce avda avea avec avva c-cd caaa caac caat cac- caca cacc cace cada cadc cadd cade caec cat- cata catc catd cate catt catv cava cave ccaa ccac ccad ccat ccca cccc cccv ccdc cced ccee cctc cctt cctv cd-e cdaa cdac cdad cdda cdec cdtv cdvd ceac cead ceat cec- ceca cece cect ceda cedd cede cedt ceec cet- ceta cete cetv ceva ctae ctca ctec ctta ctvt cvac cvca cvcc cvet cvte d-tv daad daae daca dace dact dada dade data date datt dava dave dcca dccc dcct dccv dctc dctv dcvd dddd ddtv deac dead deae dec- deca decc decd dece dect deda dedd dede deed deet deev deta dete deva deve dtaa dtac dtcc dted dvda eaca eacc eada eadd eaec eata eate eave ecaa ecac ecad ecat ecca eccc ecce ecct ecdc eced ect- ecta ectc ectv edac edad edca edda eddc edde ede- edea edta edtv edve eeca eede eeea eeee eeta eetc eete eeva etat etcc etec etee etta ette evac evae evat evea evet taa- taat taca tacc tace tact tacv tada tade taec tata tate tatt tatv tava tave tcad tcca tccc tcdd tctc tdac tdtv teac tead teat teca tect teda tedd tede teec teed teet teev teta tete tett teva tttt tvac tvad tvtv vaad vaat vaca vace vada vade vata vate vatt vava vcat vdcc vdec veat vecc veda vedc vede veet veta vete veve vtac vtec vvvv