c-cd cccc cccp cccv ccdc ccdp ccdr cced ccee ccoc ccod ccpe ccpp ccpr ccrc ccre ccrp ccvo cd-e cd-r cddr cdec cder cdre cdvd cec- cece ceco cecp cedd cede cedo ceec ceop ceor cepc cepe cepo cepp cepr cer- cerc cerd cere cero cerp cevo coce coco cocp codd code coed coep cood coop copd cope copo copp copr cor- corc cord core coro corp corr cove covo cpce cpep cper cppd cpre cpvc crcc crce crcr crdc cre- crec cred cree creo crep croc crod croe croo crop cror crpc cvcc cver cvrd cvrr dccc dccp dccv dcop dcpo dcvd dddd ddoc ddpo ddrc ddre dec- decc decd dece deco dedd dede dedo deed deep deer deev deop deor depc depe depo depp depr der- derc dere dero derp derr derv deve devo doce doco dod- dodd dode dodo doer dood doop door dope dopo dopp dopr dorc dord dore doro dorp dorr dove dpcp dper dppc dred dree drev drod drop dvdr dvor dvrp eccc ecce ecco ecdc eced eco- ecod ecop ecpd ecpp ecrc ecrr ecrv eddc edde eddo eddp ede- eder edoc edod edve eede 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 erve ever evoe evoo evop evre o-eo occc oce oced ocee ocpd ocpp ocre ocro ocrr oddd oded odeo oder odoo odop odor odrp oec- oecc oedo oeec oere oevp oocr ooer oooo oord oore opec oped opep oper opo- opor oppo orce orco orde ordo ore- orec ored oreo orer oro- oroe oror orpc orpe orro orve orvr 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 pepd pepe pepo per- perc perd pere pero perp perr perv pocd poce poco pod- podd pode podo poed poer pood poop poor pop- popc pope popo popp porc pore poro porr povo ppcc ppcd pper ppod pppd pppo pppp pprc prcc prcd prcp pre- prec pred pree prep prev pro- proc prod proe proo prop prov prpd prrd pvco pvdc rccc rcdc rcde rcep rcpd rcpo rcrd rcvr rder rdev rdoc rdpc recc recd rece recp recr redc redd rede redo redr reed reep reev reod reop repe repo repp repr rerd rere rero revd reve revo revp rocc roce roco rodd rode rodo roed roer roev rood roop roor rope ropo rorc rore roro rove rovo rpdp rpoe rred rrrr rv-c rved rver vdcc vdcp vdec vder vdre vecc vedc vede vedo veep veer veor vepe vepr ver- verd vere vero veve vevo voce vode vodo voer vooc voor vor- vord vore voro vpro vred vreo vroc vver vvvv