cccc cccp cccs ccee ccpe ccpp ccps ccsp ccss cec- cece cecp cecs ceec cees cepc cepe cepp ceps cesc cese cesp cess ceys cpce cpcs cpep cpps cpsc cscc csce cscs csec csee csep cspc cspe csps csse csys cyc- cycc cycs cypc cyps cyse cyy- cyyc eccc ecce eces ecpp ecsc ecse ecsp ecss eecs eeee eees eeps eese eesy epcc epec epee epes eppc eppp epps eppy epsc epsp epss esce escs esee eses espc espe espp esps espy esse essp essy eyec eyes eyey eype eyse pccc pcce pccs pcep pcpp pcps pcse pece pecs pecy peec peep pees pepe peps pese pess pesy peys ppcc ppcs pppp ppps ppss ppye psec pspp psps pssc psse psy- psys pyce pyep pyes pype pypy pyse pyss sccc scce sccp sccs sccy scec scee scep scey scpe scps scsc scye se-c se-e se-s se-y sec- secc sece secs secy seec seep sees seey sepe sepp seps sesc sese sess seye seys spcc spcs spec spee spes spey spps spse spsp spss spy- spys sscc ssce sscp sscs ssec ssee ssep sses sspc sspe ssps sssc ssss syce syes sype syse syss yccc ycee yeep yees yepe yepp yeps yess yeye ypcc ysee yses ysse yyyy