cccc cccp cccs ccee ccpe ccpp ccps ccsp ccss cec- cece cecp cecs ceec cees ceke cepc cepe cepp ceps cesc cese cesp cess ckck ckcs ckpc cpce cpcs cpep cpps cpsc cpsk cscc csce cscs csec csee csep csks cspc cspe csps csse eccc ecce eces ecks ecpp ecsc ecse ecsp ecss eecs eeee eees eeke eeks eeps eese eesk ekek ekes ekpe epcc epec epee epes eppc eppp epps epsc epsp epss esce escs esee esek eses eske esks espc espe espp esps esse essp kccc kcck kcec kcee kcep kckc kckk kcpc kcps kcsc kcse kcsp kcss keck keek keep kees kekc keke keks kep- kepc kepe keps kesc kesk kesp kess kkck kkcs kkkk kkpc kkpk kkps kkse kksp kkss kpcc kpcs kpek kpke kpkk kppc kppk kppp kpsc kpsp ksce ksck kscs ksec ksee ksek ksep kske kskk ksks kspc kspe kspk ksps ksse ksss pccc pcce pccs pcep pcks pcpp pcps pcse pece peck pecs peec peek peep pees peke pekk pepe peps pese pess pkcs ppcc ppcs pppp ppps ppss psec pspp psps pssc psse sccc scce sccp sccs scec scee scep sck- scpe scps scsc se-c se-e se-k se-s sec- secc sece seck secs seec seek seep sees seke sekk sepe sepp seps sesc sese sess skee skep skes skpc skss spcc spcs spec spee spek spes spke spps spse spsp spss sscc ssce sscp sscs ssec ssee ssep sses sspc sspe ssps sssc ssss