c-cd cccc cccp cccu cccv ccdc ccdp ccdr cced ccee ccoc ccod ccpe ccpp ccpr ccrc ccre ccrp ccuc ccup ccvo cd-e cd-r cddr cdec cder cdre cdvd cec- cece ceco cecp cedd cede cedo cedu ceec ceop ceor ceou cepc cepe cepo cepp cepr cer- cerc cerd cere cero cerp cevo coce coco cocp cocu codd code coed coep cood coop copd cope copo copp copr cor- corc cord core coro corp corr coud coue coup cour cove covo cpce cpcu cpep cper cppd cpre cpvc crcc crce crcr crdc cre- crec cred cree creo crep creu croc crod croe croo crop cror crpc crud crue crup cucc cuce cude cued cuer cupe cupo cupp cupr curd cure curo curr cuve cvcc cver cvrd cvrr dccc dccp dccu dccv dcop dcpo dcup dcvd dddd ddoc ddpo ddrc ddre dec- decc decd dece deco dedd dede dedo dedu deed deep deer deev deop deor depc depe depo depp depr der- derc dere dero derp derr derv deue deur deve devo doce doco docu dod- dodd dode dodo doer dood doop door dope dopo dopp dopr dorc dord dore doro dorp dorr doru douc doud doue doup dour dove dpcp dper dppc dred dree drev drod drop drou drue drup druu druv duce duco dudd dude dudo dudu duer duo- dupe dupo dure duro duru duur duve dvdr dvor dvrp eccc ecce ecco ecdc eced eco- ecod ecop ecou ecpd ecpp ecrc ecrr ecru ecrv eddc edde eddo eddp ede- eder edoc edod edou edru educ edup edur edve eede eedu eeee eeoc eerc eero eocd eode eore epcc epec epee eper epoc epod epor eppc eppo eppp epro eprp ercc erce ercp erde erec ered erer erev eroc erod eroe eroo erpe errc erre erro eruc erur eruv erve eucd eude euer eur- eurc eure euro ever evoe evoo evop evre o-eo occc oce oced ocee ocpd ocpp ocre ocro ocrr ocur oddd oded odeo oder odoo odop odor odou odrp odur oec- oecc oedo oeec oere oevp oocr ooer oooo oord oore opec oped opep oper opo- opor oppo orce orco orde ordo ordu ore- orec ored oreo orer oro- oroe oror orpc orpe orro orup orve orvr oucc oudc oude oued ouer oupe oupv our- oure ouro ouu- ovde ovee over ovo- ovod ovoo ovpp ovre pccc pcce pcep pcer pcod pcoe pcpp pcrc pcrd pcre pdcp pdoc pdpr pdrc pece peco pecr ped- pede pedo peec peed peep peer peev peor peou pepd pepe pepo per- perc perd pere pero perp perr peru perv peur pocd poce poco pod- podd pode podo podu poed poer pood poop poor pop- popc pope popo popp porc pore poro porr poud poup pour povo ppcc ppcd pper ppod pppd pppo pppp pprc ppru ppur prcc prcd prcp pre- prec pred pree prep preu prev pro- proc prod proe proo prop prou prov prpd prrd prud prue pruu pu-e puce pudo pudu pued pueo puer pueu pupe pupu pur- pure puro purp purr puru puuc pvco pvdc rccc rcdc rcde rcep rcpd rcpo rcrd rcuv rcvr rder rdev rdoc rdpc recc recd rece recp recr recu redc redd rede redo redr redu reed reep reev reod reop reou repe repo repp repr repu rerd rere rero reru reue reup reuu revd reve revo revp rocc roce roco rodd rode rodo roed roer roev rood roop roor rope ropo rorc rore roro roru roud roue roup rove rovo rpdp rpoe rred rrrr ruce rudd rude rudo rudp rued ruer rupe rupp rurc rurd rure ruro rurp ruru ruud ruve ruvu rv-c rved rver u-rp uccp ucdc ucdd ucrc uder udev udoo udop udpd uocc uor- uore uovo updo uped upor uppc uppe uppp uppu upup upvc urde urdu ure- ured uro- uroo urpo urre urup urur urve uucp uuoc uuuu uv-c uver uvrd uvvu vdcc vdcp vdec vder vdre vecc vedc vede vedo veep veer veor vepe vepr ver- verd vere vero veur veve vevo voce vode vodo voer voeu vooc voor vor- vord vore voro voru voud voue vour vpro vred vreo vroc vuco vudu vurp vver vvvv