c-cd cccc cccl cccu cccv ccdc cced ccee ccel cclc cclv ccoc ccod ccuc ccvo cd-e cddl cdec cdlv cdvd cec- cece ceco cedd cede cedo cedu ceec ceel cel- celc cele cell celo ceol ceou cevo clcd cldc clec cled clee cleo cleu clod cloe cloo clou clud clue coce coco cocu codd code codl coed coel col- cold cole coll colo colu cood cool coud coue coul cove covo cucc cuce cude cued culc culd cule cull culo cuve cvcc dccc dccl dccu dccv dclv dcvd dddd ddlc ddoc dec- decc decd dece decl deco dedd dede dedo dedu deed deel deev deld dele dell delo deol deue deul deve devo dlco dlvo doce doco docu dod- dodd dode dodo doel dold dole doll dolo dolu dood dool douc doud doue doul dove duce duco dudd dude dudo dudu duel dulc dule dull dulo dulu duo- duul duve dvvl e-cl eccc ecce eccl ecco ecdc ecdl eced eco- ecod ecol ecou eddc edde eddo ede- edel edle edoc edod edou educ edve eede eedu eeee eele eelv eeoc elce elco elde elec eled elee eleo elev elle ello ellu elod elue elul elve elvo eocd eode eole eolo eucd eude eule evel evoe evol evoo lccc lcce lcdd lddv ldeo le-u lece leco lede ledo leed leel lele lell lelo lelu leoc leod leou leov leuc leud lev- levc leve levo llcc lldc lleu lllc llll lloc llod lloo llud lo-v locc loce loco locu lode loeu lold lole loll lolo looc lood looe lool loud loue loul louu love lovo luce ludd lude ludo lued lule lull lulu luvd luve lvcc lvov o-eo occc oce oced ocee oclc ocul oddd oded odel odeo odle odoo odou oec- oecc oedo oeec oele olcc olde ole- oled oleo olev olle ollo olov oold oolo oooo oucc oudc oude oued ould oule oulu ouu- ovde ovee ovo- ovod ovol ovoo ucdc ucdd ucel udel udev udoo uele uell ulcc ulco ulde ulee uleo ulle ullo ulo- uloc ulul uocc uolc uovo uulu uuoc uuuu uv-c uvel uvvu vdcc vdec vecc vedc vede vedo veel vel- veld vele vell velo velu veol veve vevo vlcc vldl vloc voce vode vodo voel voeu volc vold vole voll volo vooc vool voud voue voul vuco vudu vuel vull vvvv