-ene c-cd cccc cccp ccdc ccdn ccdp ccdr cced ccee ccnc ccne ccnp ccnr ccpe ccpn ccpp ccpr ccrc ccre ccrp ccrt cctc cctt cd-e cd-r cddr cdec cder cdnc cdre cec- cece cecp cect cedd cede cedt ceec cen- cend cene cent cepc cepe cepp cepr cept cer- cerc cerd cere cern cerp cert cet- cete cetp cncp cndd cndp cnep cnet cnrc cnrr cnrt cntc cntr cpce cpep cper cpnt cppd cpre cprt cptp cptr crcc crce crcr crdc cre- crec cred cree cren crep cret crne crpc crrt crtc crtp ctcp ctec cten ctep ctne ctpp ctrc ctrn ctrp cttn dccc dccp dcct dctc dddd ddrc ddre dec- decc decd dece dect dedd dede deed deen deep deer deet dene denn dent depc depe depp depr dept der- derc dere dern derp derr dete detn detr dnce dner dnet dnrc dntp dntt dpcp dpdt dper dppc dred dree dren dret dtcc dtdp dted dten dttp eccc ecce ecct ecdc eced ecne ecpd ecpp ecrc ecrr ect- ectc eddc edde eddp ede- eden eder edrn eede eeee eend eent eerc eetc eete ence end- ende ened enee ener ennc enne enp- ent- entd ente entp entr epcc epec epee epen eper eppc eppp eprp epte ercc erce ercp erde erec ered eren erer eret erne erpe errc erre etcc etec etee eten eter etne etnr etre ette ettn nccc nccn nccp nccr ncct ncdc ncdn ncdr ncec nced ncee ncen ncep ncer ncnc ncnd ncpc ncrc ncre ncrp nctc ncte nctr ndcc ndcp ndde nder ndnp ndnt ndpd ndpr ndrc ndre ndtc necc nece necr nect nedc nedd nede need neen neep neer neet nend nene nent nepc nepe nepr nept nerc nerd nere nerr nert net- netd nete nett nnnn nnpr nntn npcc nppc nppd nprt nptc npte nptn nrdc nren nrpc nrpn nrrc nrrd ntcc nter ntnd ntpc ntpd ntrc nttr pccc pcce pcep pcer pcnt pcpn pcpp pcrc pcrd pcre pcte pdcp pdpn pdpr pdrc pdtc pece pecr pect ped- pede peec peed peen peep peer peet pen- penc pend pene penn pent pepd pepe per- perc perd pere pern perp perr pert pete petn petr pett pnec pnet pnpp pntd pntr ppcc ppcd ppen pper pppd pppn pppp pprc pptn pptt prcc prcd prcp pre- prec pred pree pren prep pret prnd prnp prpd prrd prtc prtp prtr ptcc ptdc pten pter ptpd ptrd pttc rccc rcdc rcde rcep rcet rcnr rcpd rcpt rcrd rctc rder rdpc recc recd rece recp recr rect redc redd rede redr reed reen reep reet rend rene renn rent repe repp repr rept rerd rere rert retd rete retr rett rncp rndc rndp rnnt rntd rntp rpdp rpet rppn rptd rptn rred rrrr rtcc rtce rtdt rtee rtnd rttp tccc tcdd tcep tcnn tctc tecr tect tedd tede teec teed teen teer teet tenc tend tene tenn tenp tent tepe tepp ter- terc tere tern terp terr tete tetr tett tncc tndd tpcd tpcp tped tper tppd tppp tppr tpte tptp tptr trcc tre- trec tred tree tren tret trpc trpe trpn trpp trtc trte trtr ttcn ttcp tten tter tttt