cccc cccs ccee ccss cec- cece cecs ceec cees ceke cesc cese cess ceys ckck ckcs ckcy ckey cscc csce cscs csec csee csks csse csys cyc- cycc cycs cyke cyse cyy- cyyc eccc ecce eces ecks ecky ecsc ecse ecss eecs eeee eees eeke eeks eese eesk eesy ekek ekes esce escs esee esek eses eske esks esky esse essy eyck eyec eyes eyey eyke eyse kccc kcck kccy kcec kcee kcey kckc kckk kcky kcsc kcse kcss kcsy kcye kcyk kcys kcyy keck keek kees kekc keke keks kesc kesk kess kesy keye keys keyy kkck kkcs kkcy kkkk kkse kkss kkyc kkys kkyy ksce ksck kscs kscy ksec ksee ksek ksey kske kskk ksks ksky ksse ksss ksyc ksyy kycc kyck kycs kyee kyes kykc kyke kykk kyks kyky kysc kyse kysk kyyk kyys kyyy sccc scce sccs sccy scec scee scey sck- scsc scye se-c se-e se-k se-s se-y sec- secc sece seck secs secy seec seek sees seey seke sekk sesc sese sess seye seyk seys skee skes skey skss sky- skye skys skyy sscc ssce sscs ssec ssee sses sssc ssss syce syck syes syke syse syss syyk yccc ycee yeck yeek yees yeke yesk yess yeye ykes ykey yksc ysee yses ysse yyyy