cccc cccp ccee ccpe ccpp ccpr ccrc ccre ccrp cec- cece cecp ceec ceke cepc cepe cepp cepr cer- cerc cere cerp cery ckck ckcy cker ckey ckpc ckpr ckrc ckry cpce cpep cper cpre crcc crce crcr cre- crec cree crep crkc crkp crpc cry- cyc- cycc cyke cypc cyre cyrk cyy- cyyc eccc ecce ecky ecpp ecrc ecrr eeee eeke eerc eery ekek eker ekpe epcc epec epee eper eppc eppp eppy eprp ercc erce ercp erec erer erke erpe errc erre eryc erye eyck eyec eyer eyey eyke eype eyre eyry eyyr kccc kcck kccr kccy kcec kcee kcep kcey kckc kckk kckr kcky kcpc kcpr kcrc kcrp kcrr kcry kcye kcyk kcyy keck kecr keek keep keer kekc keke kep- kepc kepe kepy ker- kerc kere kerk kerp kerr keye keyy kkck kkcr kkcy kkkk kkpc kkpk kkrc kkre kkrk kkrr kkyc kkyy kpcc kpcr kpek kper kpke kpkk kpkr kpky kppc kppk kppp kppr kprc kpre kprk kprp kprr kpyk kpyr krcc krce krec kree krek krkc krke krkk krkr krky krpr krrc krre krrk krrr krry krye kryk kryp kryy kycc kyck kycr kyee kykc kyke kykk kykr kyky kyp- kypc kype kypr kyrc kyre kyrk kyyk kyyy pccc pcce pcep pcer pcpp pcrc pcre pece peck pecr pecy peec peek peep peer peke pekk pepe per- perc pere perk perp perr pery peyr ppcc pper pppp pprc ppye prcc prcp pre- prec pree prek prep prey prky pryk pyce pyck pyep pyke pykk pype pypy pyr- pyre pyrk pyry rccc rcep rcyc recc rece reck recp recr recy reek reep reke reky repe repp repr repy rere rery reye reyk rpyc rrrr ryck ryke rype yccc ycee yeck yeek yeep yeer yeke yepe yepp yere yerk yerr yery yeye yeyr ykep ykey ypcc yrke yyyy