cccc cccs cccu ccee ccss ccuc ccus cec- cece cecs ceec cees ceke cesc cese cess ckck ckcs cscc csce cscs csec csee csks csse csus cucc cuce cuck cuek cues cuk- cuke cusk cuss cusu eccc ecce eces ecks ecsc ecse ecss ecsu ecus eecs eeee eees eeke eeks eese eesk ekek ekes esce escs escu esee esek eses eske esks esku esse essu esus euse kccc kcck kccu kcec kcee kceu kckc kckk kcsc kcse kcss kcsu kcue kcuk keck keek kees kekc keke keks keku kesc kesk kess keus kkck kkcs kkkk kkse kkss kksu kkus kkuu ksce ksck kscs kscu ksec ksee ksek kske kskk ksks ksku ksse ksss kssu ksue ksuu kucc kuce kuek kues kueu kuke kukk kuks kuku kusc kusu kuuk kuuu sccc scce sccs scec scee sck- scsc scsu se-c se-e se-k se-s se-u sec- secc sece seck secs secu seec seek sees seeu seke sekk seku sesc sese sess skee skes skss skue sscc ssce sscs ssec ssee sses sssc ssss suc- succ suck sucs suee sues sueu suke suks suku sus- suse susk suss susu suus uces ucsc ucsu uess ukcc ukek ukes ukeu uksc us-k uscc usce uscs usee uses uske ussc usse usss ussu usus uuuu