c-cd cccc cccp ccdc ccdp ccdr cced ccee ccoc ccod ccpe ccpp ccpr ccrc ccre ccrp cd-e cd-r cddr cdec cder cdre cec- cece ceco cecp cedd cede cedo ceec ceop ceor cepc cepe cepo cepp cepr cer- cerc cerd cere cero cerp coce coco cocp codd code coed coep cood coop copd cope copo copp copr cor- corc cord core coro corp corr cpce cpep cper cppd cpre crcc crce crcr crdc cre- crec cred cree creo crep croc crod croe croo crop cror crpc dccc dccp dcop dcpo dddd ddoc ddpo ddrc ddre dec- decc decd dece deco dedd dede dedo deed deep deer deop deor depc depe depo depp depr der- derc dere dero derp derr doce doco dod- dodd dode dodo doer dood doop door dope dopo dopp dopr dorc dord dore doro dorp dorr dpcp dper dppc dred dree drod drop eccc ecce ecco ecdc eced eco- ecod ecop ecpd ecpp ecrc ecrr eddc edde eddo eddp ede- eder edoc edod 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 eroc erod eroe eroo erpe errc erre erro o-eo occc oce oced ocee ocpd ocpp ocre ocro ocrr oddd oded odeo oder odoo odop odor odrp oec- oecc oedo oeec oere 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 pccc pcce pcep pcer pcod pcoe pcpp pcrc pcrd pcre pdcp pdoc pdpr pdrc pece peco pecr ped- pede pedo peec peed peep peer peor pepd pepe pepo per- perc perd pere pero perp perr pocd poce poco pod- podd pode podo poed poer pood poop poor pop- popc pope popo popp porc pore poro porr ppcc ppcd pper ppod pppd pppo pppp pprc prcc prcd prcp pre- prec pred pree prep pro- proc prod proe proo prop prpd prrd rccc rcdc rcde rcep rcpd rcpo rcrd rder rdoc rdpc recc recd rece recp recr redc redd rede redo redr reed reep reod reop repe repo repp repr rerd rere rero rocc roce roco rodd rode rodo roed roer rood roop roor rope ropo rorc rore roro rpdp rpoe rred rrrr