-ene cccc cccs ccee cche cchs ccnc ccne ccns ccsn ccss cec- cece cecs ceec cees cehs cen- cene cens cesc cese cess chce chch chcs chec chee cheh chen ches chhs chnc chns chsc chse chsh cnes cnhs cnss cscc csce csch cscs csec csee cseh cshs csne csse eccc ecce eces eche echs ecne ecsc ecse ecss eecs eeee eees eehs eens eese ehcc eheh ehen ehhs ence ench encs enee enes enhs ennc enne enns ense esce esch escs esee esen eses eshs esne esse essh hccc hcch hccs hchs hcsc hcss hech hecs hees hehe hehn hehs hene henh henn hens hesc hesh hess hhhh hhhs hnce hncs hnhs hscc hscn hses hshs hsse nccc nccn nccs ncec ncee ncen nces nchc nchs ncnc ncsc ncse ncss necc nece nech necs neen nees nehe nehs nene nenh nens nesc nese nesh nesn ness nhcc nhhs nhnn nhsc nnes nnhs nnnn nnss nscc nscs nsec nshs nssc nsse nsss sccc scce sccs scec scee sch- sche schh schs scsc scsh scsn se-c se-e se-h se-n se-s sec- secc sece sech secn secs seec seeh seen sees sehe sehs sene senn sens sesc sese sesh sess shcc she- shee sheh shen shes shhh shhs shne shsc sncc snee sneh snes snhs snns sscc ssce sscs ssec ssee sses sshs ssns sssc sssh ssss