c-cd cccc cccv ccdc cced ccee ccoc ccod cctc cctt cctv ccvo cd-e cdec cdot cdtv cdvd cec- cece ceco cect cedd cede cedo cedt ceec cet- cete ceto cetv cevo coce coco coct codd code coed cood coot cotc cote coto cott cove covo ctec ctot ctvo ctvt cvcc cvet cvte d-tv dccc dcct dccv dctc dctv dcvd dddd ddoc ddot ddtv dec- decc decd dece deco dect dedd dede dedo deed deet deev dete deto deve devo doce doco doct dod- dodd dode dodo dood doot dotd dote doto dott dove dtcc dted dtot eccc ecce ecco ecct ecdc eced eco- ecod ecot ect- ectc ecto ectv eddc edde eddo ede- edoc edod edtv edve eede eeee eeoc eetc eete eocd eode eotc eotd eoto etcc etco etec etee etoe ette etto etvo evet evoe evoo o-eo occc occt oce oced ocee ocet oct- octe octo oddd oded odeo odet odoo odot oec- oecc oedo oeec oooo otcd oted otee oto- otoe otoo otov otte otto ovde ovee ovet ovo- ovod ovoo ovot tccc tcdd tcov tctc tdtv teco tect tedd tede teec teed teet teev tete teto tett toce toco todd tode todo todt toed toee toet tood toot totc totd tote toto tott tove tovo tteo ttoe tttt tvtv vdcc vdec vdot vecc vedc vede vedo veet vete veto veve vevo voce vode vodo voet vooc voot votd vote voto vtec vvvv