cccc cccs ccee cche cchs cchy ccss cec- cece cecs ceec cees cehs cesc cese cess ceys chce chch chcs chec chee cheh ches chey chhs chsc chse chsh chy- chyc cscc csce csch cscs csec csee cseh cshs csse csys cyc- cycc cycs cyse cyy- cyyc eccc ecce eces eche echs ecsc ecse ecss eecs eeee eees eehs eese eesy ehcc eheh ehhs esce esch escs esee eses eshs esse essh essy eyec eyes eyey eyse hccc hcch hccs hchs hcsc hcss hech hecs hees hehe hehs hesc hesh hess hesy heye heyh heys hhhh hhhs hscc hses hshs hsse hyce hyhe hyse sccc scce sccs sccy scec scee scey sch- sche schh schs scsc scsh scye se-c se-e se-h se-s se-y sec- secc sece sech secs secy seec seeh sees seey sehe sehs sesc sese sesh sess seye seyh seys shcc she- shee sheh shes shey shhh shhs shsc shye sscc ssce sscs ssec ssee sses sshs sssc sssh ssss syce sych syes syhe syse syss yccc ycch ycee yche yech yees yehe yehs yesh yess yeye yhes ysee yses ysse yssh yyyy