cccc ccci cccs ccee ccic ccii ccis ccsi ccss cec- cece ceci cecs ceec cees ceke cesc cese cesi cess cicc cici cics ciee cies ciii ciis cis- cisc cise cisk ciss ckck ckcs cscc csce csci cscs csec csee csik csis csks csse eccc ecce ecci eces ecis ecks ecsc ecse ecss eecs eeee eees eeke eeks eese eesi eesk eick eics eiec eiei eies eike eiki eiks eise eisk eiss ekek ekes ekis ekki eksi esce esci escs esee esek eses esie esik esis eske esks esse essi iccc icci iccs icec icee ices icis icke icks icsc icse icsi icss iecc ieie iesc iesi iies iiie iiii iiis iisc iisi ikee ikes ikki iscc isci iscs isec isee ises isic isie isis issc isse issi isss k-ci kccc kcci kcck kcec kcee kcei kcic kcie kcii kcis kckc kckk kcsc kcse kcsi kcss keck keek kees keii keik keis kekc keke keki keks kesc kesi kesk kess kicc kice kick kics kies kiic kiii kiik kiis kikc kiki kikk kisc kise kisi kisk kiss kkci kkck kkcs kkic kkik kkkk kkse kksi kkss ksce ksci ksck kscs ksec ksee ksei ksek ksii ksik ksis kske kskk ksks ksse kssi ksss s-ic s-ii sccc scce sccs scec scee sci- scic scie scis sck- scsc scsi se-c se-e se-i se-k se-s sec- secc sece seck secs seec seek sees seie seii seik seis seke seki sekk sesc sese sesi sess sicc sice sici sick sics siec siek sies siik sike siki siks sisc sise sisi sisk siss skee skei skes skic skie skik skis skss sscc ssce ssci sscs ssec ssee sses ssis sssc sssi ssss