cccc ccci cccs ccee ccic ccii ccis ccsi ccss cec- cece ceci cecs ceec cees ceke cesc cese cesi cess ceys cicc cici cics ciee cies ciii ciis cis- cisc cise cisk ciss cisy ckck ckcs ckcy ckey cscc csce csci cscs csec csee csik csis csks csse csys cyc- cycc cycs cyke cyse cyy- cyyc eccc ecce ecci eces ecis ecks ecky ecsc ecse ecss eecs eeee eees eeke eeks eese eesi eesk eesy eick eics eiec eiei eies eike eiki eiks eise eisk eiss eisy ekek ekes ekis ekki eksi esce esci escs esee esek eses esie esik esis eske esks esky esse essi essy eyck eyec eyes eyey eyik eyke eyse iccc icci iccs icec icee ices icey icis icke icks icky icsc icse icsi icss iecc ieie iesc iesi iies iiie iiii iiis iisc iisi ikee ikes ikey ikki ikky iscc isci iscs isec isee ises isic isie isis issc isse issi isss issy isys iyse k-ci kccc kcci kcck kccy kcec kcee kcei kcey kcic kcie kcii kcis kckc kckk kcky kcsc kcse kcsi kcss kcsy kcye kcyk kcys kcyy keck keek kees keii keik keis kekc keke keki keks kesc kesi kesk kess kesy keye keys keyy kicc kice kick kics kicy kies kiic kiii kiik kiis kikc kiki kikk kisc kise kisi kisk kiss kisy kiyi kiyk kiys kkci kkck kkcs kkcy kkic kkik kkkk kkse kksi kkss kkyc kkys kkyy ksce ksci ksck kscs kscy ksec ksee ksei ksek ksey ksii ksik ksis ksiy kske kskk ksks ksky ksse kssi ksss ksyc ksyy kycc kyck kycs kyee kyes kyis kykc kyke kykk kyks kyky kysc kyse kysk kyyi kyyk kyys kyyy s-ic s-ii sccc scce sccs sccy scec scee scey sci- scic scie scis sck- scsc scsi scye se-c se-e se-i se-k se-s se-y sec- secc sece seck secs secy seec seek sees seey seie seii seik seis seke seki sekk sesc sese sesi sess seye seyk seys sicc sice sici sick sics siec siek sies siik sike siki siks sisc sise sisi sisk siss sisy siyi skee skei skes skey skic skie skik skis skss sky- skye skys skyy sscc ssce ssci sscs ssec ssee sses ssis sssc sssi ssss syce syck syes syik syis syke syse syss syyk yccc ycee ycie yeck yeek yees yeie yeii yeke yeki yesi yesk yess yeye yeyi yike yise yisk yiss ykes ykey yksc ysee yses ysii ysse yyyy