cccc cccf cccl cccs ccee ccel ccfc ccff ccfl cclc ccls ccsf ccsl ccss cec- cece cecs ceec ceel cees cef- cefc cel- celc cele celf cell cels cesc cese cess cfcf cfcl cfcs cfls cfse cfsl clec clee clef cles clsc cscc csce cscf cscl cscs csec csee csfc csse e-cl eccc ecce eccl ecef eces ecfc ecfs ecsc ecse ecss eecs eeee eees eefe eefl eele eels eese efes effs elce elec elee elef eles elfc elfe elfs elle ells else esce escs esee esel eses esfs esse essl fccf fces fcsc fcsl fece feel fees fefc fefe feff fele felf fell fels fese fess ffcc ffee ffff ffss flcl flee fles fscc fsec fssc fssf lccc lcce lccs lces lcfc lcls lcsc lece leef leel lees lefe leff lele lell lese less lfcc llcc llcs llef lles lllc llll lscs lses lsfc sccc scce sccl sccs scec scee scel scfc scfe scl- sclc scls scsc scsl se-c se-e se-f se-s sec- secc sece secs seec seef seel sees seff sefl sele self sell sels sesc sese sess sfcc sfcs sffc sflc sfls sfss slcc slee sles slsc sscc ssce sscs ssec ssee sses ssfc ssfl sslc ssle sssc sssf ssss