-ene cccc cccf cccp ccee ccfc ccff ccnc ccne ccnf ccnp ccnr ccpe ccpn ccpp ccpr ccrc ccre ccrf ccrp ccrt cctc cctt cec- cece cecp cect ceec cef- cefc cefn cen- cene cent cepc cepe cepp cepr cept cer- cerc cere cerf cern cerp cert cet- cete cetp cfcf cfcn cffr cfnr cfpr cfre cfrn cfrp cfrt cftc cfte cftr cncp cnep cnet cnrc cnrr cnrt cntc cntf cntr cpce cpep cper cpff cpft cpnt cpre cprt cptp cptr crcc crce crcr cre- crec cree cren crep cret crfc crne crpc crrt crtc crtf crtp ctcf ctcp ctec cten ctep ctfc ctne ctpp ctrc ctrn ctrp cttn eccc ecce ecct ecef ecfc ecfr ecne ecpp ecrc ecrf ecrr ect- ectc ectf eeee eefe eefn eent eerc eetc eete efen efet eft- eftp ence enee ener enfp ennc enne enp- ent- ente entp entr epcc epec epee epen eper epfc eppc eppp eprp epte ercc erce ercp erec eren erer eret erfc erft erne erpe errc erre etcc etec etee eten eter etfc etfe etne etnr etre ette ettn fccf fccp fece fect feen feer feet fefc fefe feff fene fenn fent fepc ferc fere fern ferr fert fete fetp fetr fett ffcc ffee ffff ffrr fftf fnet fp-c fpcc fpct fprf frcc frcn frcp free fren frep fret frfc ft-c ften fter ftfc ftpe nccc nccf nccn nccp nccr ncct ncec ncee ncef ncen ncep ncer ncfc ncfe ncnc ncpc ncrc ncre ncrp nctc ncte nctr necc nece necr nect neef neen neep neer neet nefe neff nene nent nepc nepe nepr nept nerc nere nerf nerr nert net- nete nett nfct nfer nfff nftc nnnn nnpr nntn npcc nppc nprt nptc npte nptn nren nrfc nrpc nrpn nrrc ntcc nter ntfc ntfp ntpc ntrc nttr pccc pcce pcep pcer pcfc pcnt pcpn pcpp pcrc pcre pcrf pcte pece pecr pect peec peen peep peer peet pefc peff pen- penc pene penn pent pepe per- perc pere perf pern perp perr pert pete petn petr pett pfce pfet pfff pffr pfft pfte pnec pnet pnpp pntr ppcc ppen pper pppn pppp pprc pprf pptn pptt prcc prcf prcp pre- prec pree pref pren prep pret prfc prnp prtc prtp prtr ptcc pten pter ptrf pttc rccc rcep rcet rcfc rcnr rcpt rctc recc rece recp recr rect reef reen reep reet refe reff refn refr reft rene renn rent repe repp repr rept rere rert rete retr rett rfef rffc rftc rncp rnnt rntp rpet rpfc rppn rptn rrfc rrrr rtcc rtce rtee rtfc rttp tccc tcep tcfc tcnn tctc tecr tect teec teef teen teer teet tefc teff teft tenc tene tenn tenp tent tepe tepp ter- terc tere terf tern terp terr tete tetr tett tfec tfnp tfpt tftc tftp tncc tnef tnfc tpcp tper tppp tppr tpte tptp tptr trcc tre- trec tree tref tren tret trfc trfr trpc trpe trpn trpp trtc trte trtr ttcn ttcp tten tter ttfc ttff ttfn tttt