cccc cccp cccs ccee ccpe ccpp ccps ccsp ccss cec- cece cecp cecs ceec cees cepc cepe cepp ceps cesc cese cesp cess cpce cpcs cpep cpps cpsc cscc csce cscs csec csee csep cspc cspe csps csse eccc ecce eces ecpp ecsc ecse ecsp ecss eecs eeee eees eeps eese epcc epec epee epes eppc eppp epps epsc epsp epss esce escs esee eses espc espe espp esps esse essp pccc pcce pccs pcep pcpp pcps pcse pece pecs peec peep pees pepe peps pese pess ppcc ppcs pppp ppps ppss psec pspp psps pssc psse sccc scce sccp sccs scec scee scep scpe scps scsc se-c se-e se-s sec- secc sece secs seec seep sees sepe sepp seps sesc sese sess spcc spcs spec spee spes spps spse spsp spss sscc ssce sscp sscs ssec ssee ssep sses sspc sspe ssps sssc ssss