cccc cccs cccu ccee ccss ccuc ccus cec- cece cecs ceec cees cesc cese cess ceze cscc csce cscs csec csee csse csus cucc cuce cues cuss cusu eccc ecce eces ecsc ecse ecss ecsu ecus eecs eeee eees eese eeze esce escs escu esee eses esse essu esus euse ezuz sccc scce sccs scec scee scsc scsu se-c se-e se-s se-u se-z sec- secc sece secs secu seec sees seeu seez sesc sese sess sscc ssce sscs ssec ssee sses sssc ssss suc- succ sucs suee sues sueu suez sus- suse suss susu susz suus suze suzu suzz szss szuc uces ucsc ucsu uess uscc usce uscs usee uses ussc usse usss ussu usus uuuu zees zeus zeze zsss zuce zuzu zzzs zzzz