-ene cccc cccf cccl cccs ccee ccel ccfc ccff ccfl cclc ccls ccnc ccne ccnf ccns ccsf ccsl ccsn ccss cec- cece cecs ceec ceel cees cef- cefc cefn cel- celc cele celf cell cels cen- cene cens cesc cese cess cfcf cfcl cfcn cfcs cfln cfls cfns cfse cfsl clec clee clef cles clsc cnel cnes cnsl cnss cscc csce cscf cscl cscs csec csee csfc csne csse e-cl eccc ecce eccl ecef eces ecfc ecfs ecne ecsc ecse ecss eecs eeee eees eefe eefl eefn eele eels eens eese efen efes effs elce elec elee elef elen eles elfc elfe elfs elle ells elne else ence encl encs enee enel enes enls ennc enne enns ense esce escs esee esel esen eses esfs esne esse essl fccf fces fcnl fcsc fcsl fece feel feen fees fefc fefe feff fele felf fell fels fene fenn fens fese fess ffcc ffee ffff ffss flcl flee flen fles flnc fnlc fscc fsec fsln fssc fssf lccc lcce lccs lces lcfc lcls lcsc lece leef leel leen lees lefe leff lele lell lene lenn lens lese less lfcc llcc llcs llef lles lllc llll lnes lnfs lscs lses lsfc nccc nccf nccn nccs ncec ncee ncef ncel ncen nces ncfc ncfe nclc ncln ncnc ncsc ncse ncsf ncsl ncss necc nece necs neef neel neen nees nefe neff nefl nefs nelc nele nelf nell nels nene nens nesc nese nesl nesn ness nfff nlcc nlcf nlcs nlec nlls nlsc nnes nnls nnnn nnsl nnss nscc nscl nscs nsec nsel nsfc nsfs nsls nssc nsse nssf nsss sccc scce sccl sccs scec scee scel scfc scfe scl- sclc scls scsc scsl scsn se-c se-e se-f se-n se-s sec- secc sece secn secs seec seef seel seen sees seff sefl sele self sell sels sene senn sens sesc sese sess sfcc sfcs sffc sflc sfls sfne sfss slcc slee sles slln slsc sncc sncf snee snel snes snlf snns sscc ssce sscs ssec ssee sses ssfc ssfl sslc ssle ssns sssc sssf ssss