c-cd cccc cccu cccv ccdc cced ccee ccoc ccod cctc cctt cctv ccuc ccut ccvo cd-e cdec cdot cdtv cdvd cec- cece ceco cect cedd cede cedo cedt cedu ceec ceou cet- cete ceto cetv cevo coce coco coct cocu codd code coed cood coot cotc cote coto cott cotu coud coue cout cove covo ctec ctot ctvo ctvt cucc cuce cude cued cut- cutc cute cuto cutt cutv cuve cvcc cvet cvte d-tv dccc dcct dccu dccv dctc dctv dcvd dddd ddoc ddot ddtv dec- decc decd dece deco dect dedd dede dedo dedu deed deet deev dete deto deue deut deve devo doce doco doct docu dod- dodd dode dodo dood doot dotd dote doto dott douc doud doue dout dove dtcc dted dtot duce duco duct dudd dude dudo dudu duet duo- dute duut duve eccc ecce ecco ecct ecdc eced eco- ecod ecot ecou ect- ectc ecto ectv eddc edde eddo ede- edoc edod edou edtv educ edve eede eedu eeee eeoc eetc eete eetu eocd eode eotc eotd eoto etcc etco etec etee etoe ette etto ettu etvo eucd eude evet evoe evoo o-eo occc occt oce oced ocee ocet oct- octe octo oddd oded odeo odet odoo odot odou odtu oec- oecc oedo oeec oooo otcd oted otee oto- otoe otoo otov otte otto ottu oucc oudc oude oued out- oute outo ouu- ovde ovee ovet ovo- ovod ovoo ovot tccc tccu tcdd tcov tctc tdtv teco tect tedd tede teec teed teet teev tete teto tett tetu teut toce toco todd tode todo todt todu toed toee toet tood toot totc totd tote toto tott tout touv tove tovo tteo ttoe tttt tucc tuco tude tudu tuet tute tuto tutt tutu tuuo tvtv ucdc ucdd uctv ucut udet udev udoo udot uocc uovo utec utto uttu uuoc uuuu uv-c uvvu vdcc vdec vdot vecc vedc vede vedo veet vete veto veve vevo voce vode vodo voet voeu vooc voot votd vote voto voud voue vout vtec vuco vudu vutv vvvv