cccc cccp ccee ccpe ccpp cec- cece cecp ceec ceke cepc cepe cepp ckck ckcy ckey ckpc cpce cpep cyc- cycc cyke cypc cyy- cyyc eccc ecce ecky ecpp eeee eeke ekek ekpe epcc epec epee eppc eppp eppy eyck eyec eyey eyke eype kccc kcck kccy kcec kcee kcep kcey kckc kckk kcky kcpc kcye kcyk kcyy keck keek keep kekc keke kep- kepc kepe kepy keye keyy kkck kkcy kkkk kkpc kkpk kkyc kkyy kpcc kpek kpke kpkk kpky kppc kppk kppp kpyk kycc kyck kyee kykc kyke kykk kyky kyp- kypc kype kyyk kyyy pccc pcce pcep pcpp pece peck pecy peec peek peep peke pekk pepe ppcc pppp ppye pyce pyck pyep pyke pykk pype pypy yccc ycee yeck yeek yeep yeke yepe yepp yeye ykep ykey ypcc yyyy