cccc cccp ccee ccpe ccpp ccpr ccrc ccre ccrp ccrt cctc cctt cec- cece cecp cect ceec cepc cepe cepp cepr cept cer- cerc cere cerp cert cery cet- cete cetp cpce cpep cper cpre cprt cptp cptr crcc crce crcr cre- crec cree crep cret crpc crrt crtc crtp cry- ctcp ctec ctep ctpp ctrc ctrp cyc- cycc cypc cyre cyrt cyt- cyte cyy- cyyc eccc ecce ecct ecpp ecrc ecrr ect- ectc eeee eerc eery eetc eete epcc epec epee eper eppc eppp eppy eprp epte ercc erce ercp erec erer eret erpe errc erre eryc erye etcc etec etee eter etre ette etty eyec eyer eyet eyey eype eyre eyry eyte eyyr pccc pcce pcep pcer pcpp pcrc pcre pcte pece pecr pect pecy peec peep peer peet pepe per- perc pere perp perr pert pery pete petr pett pety peyr ppcc pper pppp pprc pptt ppye prcc prcp pre- prec pree prep pret prey prtc prtp prtr ptcc pter pttc pyce pyep pyet pype pypy pyr- pyre pyry pyte pytt rccc rcep rcet rcpt rctc rcyc recc rece recp recr rect recy reep reet repe repp repr rept repy rere rert rery rete retr rett rety reye rpet rpyc rrrr rtcc rtce rtee rttp ryet rype rytt ryyt tccc tcep tcpy tctc tecr tect teec teer teet tepe tepp ter- terc tere terp terr tery tete tetr tett teye teyr tpcp tper tppp tppr tpte tptp tptr trcc tre- trec tree tret trey trpc trpe trpp trtc trte trtr try- trye tryp ttcp tter tttt tyce tyee tyer tyet typ- type typp typy tyr- tyre tyrr tyte tytt tyty yccc ycee yctc yeep yeer yeet yepe yepp yere yerr yert yery yete yett yeye yeyr ypcc ytre yyyy