-ene cccc cccl cccs ccee ccel cclc ccls cclx ccnc ccne ccns ccsl ccsn ccss ccxl cec- cece cecs ceec ceel cees cel- celc cele cell cels cen- cene cens cesc cese cess cexe clec clee cles clsc clxx cnel cnes cnex cnsl cnss cscc csce cscl cscs csec csee csne csse cxxx e-cl eccc ecce eccl eces ecne ecsc ecse ecss eecs eeee eees eele eels eens eese elce elec elee elen eles elex elle ells elne else ence encl encs enee enel enes enls ennc enne enns ense esce escs esee esel esen eses esne esse essl excl exec exel exen exes lccc lcce lccs lces lcls lcsc lece leel leen lees lele lell lene lenn lens lese less lexx llcc llcs lles lllc llll lnes lscs lses lxxx nccc nccn nccs ncec ncee ncel ncen nces nclc ncln ncnc ncsc ncse ncsl ncss necc nece necs neel neen nees nelc nele nell nels nene nens nesc nese nesl nesn ness nexe nexx nlcc nlcs nlec nlls nlsc nnes nnls nnnn nnsl nnss nscc nscl nscs nsec nsel nsls nssc nsse nsss sccc scce sccl sccs scec scee scel scl- sclc scls scsc scsl scsn se-c se-e se-n se-s se-x sec- secc sece secn secs seec seel seen sees seex sele sell sels sene senn sens sesc sese sess sex- sexe slcc slee sles slln slsc sncc snee snel snes snns sscc ssce sscs ssec ssee sses ssex sslc ssle ssns sssc ssss xcel xces xen- xene xenn xexe xnee xsel xxxx