c-cd cccc cccp cccu cccv ccdc ccdp ccdr cced ccee ccpe ccpp ccpr ccrc ccre ccrp ccuc ccup cd-e cd-r cddr cdec cder cdre cdvd cec- cece cecp cedd cede cedu ceec cepc cepe cepp cepr cer- cerc cerd cere cerp cpce cpcu cpep cper cppd cpre cpvc crcc crce crcr crdc cre- crec cred cree crep creu crpc crud crue crup cucc cuce cude cued cuer cupe cupp cupr curd cure curr cuve cvcc cver cvrd cvrr dccc dccp dccu dccv dcup dcvd dddd ddrc ddre dec- decc decd dece dedd dede dedu deed deep deer deev depc depe depp depr der- derc dere derp derr derv deue deur deve dpcp dper dppc dred dree drev drue drup druu druv duce dudd dude dudu duer dupe dure duru duur duve dvdr dvrp eccc ecce ecdc eced ecpd ecpp ecrc ecrr ecru ecrv eddc edde eddp ede- eder edru educ edup edur edve eede eedu eeee eerc epcc epec epee eper eppc eppp eprp ercc erce ercp erde erec ered erer erev erpe errc erre eruc erur eruv erve eucd eude euer eur- eurc eure ever evre pccc pcce pcep pcer pcpp pcrc pcrd pcre pdcp pdpr pdrc pece pecr ped- pede peec peed peep peer peev pepd pepe per- perc perd pere perp perr peru perv peur ppcc ppcd pper pppd pppp pprc ppru ppur prcc prcd prcp pre- prec pred pree prep preu prev prpd prrd prud prue pruu pu-e puce pudu pued puer pueu pupe pupu pur- pure purp purr puru puuc pvdc rccc rcdc rcde rcep rcpd rcrd rcuv rcvr rder rdev rdpc recc recd rece recp recr recu redc redd rede redr redu reed reep reev repe repp repr repu rerd rere reru reue reup reuu revd reve revp rpdp rred rrrr ruce rudd rude rudp rued ruer rupe rupp rurc rurd rure rurp ruru ruud ruve ruvu rv-c rved rver u-rp uccp ucdc ucdd ucrc uder udev udpd uped uppc uppe uppp uppu upup upvc urde urdu ure- ured urre urup urur urve uucp uuuu uv-c uver uvrd uvvu vdcc vdcp vdec vder vdre vecc vedc vede veep veer vepe vepr ver- verd vere veur veve vred vudu vurp vver vvvv