c-cd cccc cccp ccdc ccdp ccdr cced ccee ccoc ccod ccpe ccpp ccpr ccrc ccre ccrp ccrt cctc cctt cd-e cd-r cddr cdec cder cdot cdre cec- cece ceco cecp cect cedd cede cedo cedt ceec ceop ceor cepc cepe cepo cepp cepr cept cer- cerc cerd cere cero cerp cert cet- cete ceto cetp coce coco cocp coct codd code coed coep cood coop coot copd cope copo copp copr copt cor- corc cord core coro corp corr cort cotc cote coto cott cpce cpep cper cppd cpre cprt cptp cptr crcc crce crcr crdc cre- crec cred cree creo crep cret croc crod croe croo crop cror crot crpc crrt crtc crtp ctcp ctec ctep ctor ctot ctpo ctpp ctrc ctrp dccc dccp dcct dcop dcpo dctc dddd ddoc ddot ddpo ddrc ddre dec- decc decd dece deco dect dedd dede dedo deed deep deer deet deop deor depc depe depo depp depr dept der- derc dere dero derp derr dete deto detr doce doco doct dod- dodd dode dodo doer dood doop door doot dope dopo dopp dopr dopt dorc dord dore doro dorp dorr dort dotd dote doto dott dpcp dpdt dper dppc dred dree dret drod drop drot dtcc dtdp dted dtor dtot dttp eccc ecce ecco ecct ecdc eced eco- ecod ecop ecot ecpd ecpp ecrc ecrr ect- ectc ecto eddc edde eddo eddp ede- eder edoc edod eede eeee eeoc eerc eero eetc eete eocd eode eore eotc eotd eoto epcc epec epee eper epoc epod epor epot eppc eppo eppp epro eprp epte ercc erce ercp erde erec ered erer eret eroc erod eroe eroo erpe errc erre erro etcc etco etec etee eter etoe etre etro ette etto o-eo occc occt oce oced ocee ocet ocpd ocpp ocre ocro ocrr oct- octe octo oddd oded odeo oder odet odoo odop odor odot odrp oec- oecc oedo oeec oere oocr ooer oooo oord oore oort ootp opec oped opep oper opet opo- opor oppo opto orce orco orde ordo ore- orec ored oreo orer oro- oroe oror orot orpc orpe orro ortc orte orto otcd oted otee otep oter oto- otoe otoo otor otpp otre otro otte otto pccc pcce pcep pcer pcod pcoe pcpp pcrc pcrd pcre pcte pdcp pdoc pdpr pdrc pdtc pece peco pecr pect ped- pede pedo peec peed peep peer peet peor pepd pepe pepo per- perc perd pere pero perp perr pert pete peto petr pett pocd poce poco pod- podd pode podo poed poer poet pood poop poor poot pop- popc pope popo popp popt porc pore poro porr port potc potd pote poto pott ppcc ppcd pper ppod pppd pppo pppp pprc pptt prcc prcd prcp pre- prec pred pree prep pret pro- proc prod proe proo prop prot prpd prrd prtc prtp prtr ptcc ptdc pter ptop ptpd ptrd pttc rccc rcdc rcde rcep rcet rcpd rcpo rcpt rcrd rctc rder rdoc rdpc recc recd rece recp recr rect redc redd rede redo redr reed reep reet reod reop reot repe repo repp repr rept rerd rere rero rert retd rete reto retr rett rocc roce roco rodd rode rodo roed roer roet rood roop roor root rope ropo rorc rore roro rort rotc rote roto rotr rott rpdp rpet rpoe rptd rred rrrr rtcc rtce rtdt rtee rttp tccc tcdd tcep tcpo tctc tdor teco tecr tect tedd tede teec teed teer teet teor tepe tepp ter- terc tere tero terp terr tete teto tetr tett toce toco todd tode todo todt toed toee toer toet tood toor toot top- topd tope topo topp topt torc tord tore toro torp torr tort totc totd tote toto totr tott tpcd tpcp tped tper tppd tppp tppr tpte tptp tptr trcc tre- trec tred tree treo tret troc trod troe troo trop trot trpc trpe trpp trtc trte trtr ttcp tteo tter ttoe ttop tttt