cccc cccf cccl cccs ccee ccel ccfc ccff ccfl cclc ccls ccrc ccre ccrf ccrl ccrs ccsf ccsl ccss cec- cece cecs ceec ceel cees cef- cefc cel- celc cele celf cell cels cer- cerc cere cerf cerl cers cesc cese cesr cess cfcf cfcl cfcs cffr cfls cfre cfse cfsl clec clee clef cler cles clrs clsc crcc crce crcr cre- crec cree cres crfc crfl crfs crlf crls crss cscc csce cscf cscl cscr cscs csec csee cser csfc csfr cslr csrc csrs csse cssr e-cl eccc ecce eccl ecef eces ecfc ecfr ecfs ecrc ecrf ecrl ecrr ecsc ecse ecss eecs eeee eees eefe eefl eele eels eerc eers eese efes effs elce elec elee elef eler eles elfc elfe elfs elle ells else ercc erce erec erel erer eres erfc erfs erle erll errc erre errs erse esce escr escs esee esel eser eses esfs esse essl fccf fces fcsc fcsl fece feel feer fees fefc fefe feff fele felf fell fels ferc fere ferr fers fese fess ffcc ffee ffff ffrr ffss flcl flee fler fles frcc free fres frfc frsc fscc fsec fssc fssf lccc lcce lccs lcer lces lcfc lcfr lcls lcrl lcrs lcsc lcsr lece leef leel leer lees lefe leff lele lell lerc lere lese less lfcc llcc llcs llef lles lllc llll lrcs lrfc lrrc lrrr lrse ls-r lscs lses lsfc lsrc lssr rccc rccs rcfc rcle rcls rcsc rcsl rcss recc rece recr recs reef reel rees refe reff refl refr refs rele rell rels rere rers rese ress rfef rffc rffl rlcs rlee rlef rlls rrfc rrle rrrr rscc rscs rsee rsfc rslc rsre rssl sccc scce sccl sccs scec scee scel scer scfc scfe scl- sclc scls scr- scrc scre scrs scsc scsl scsr se-c se-e se-f se-s sec- secc sece secr secs seec seef seel seer sees seff sefl sele self sell sels serc sere serf serr sers sesc sese sess sfcc sfcs sfer sffc sflc sfls sfrc sfss slcc slee sler sles slrc slre slrs slsc srcc srec sres srfc sscc ssce sscs ssec ssee sses ssfc ssfl sslc ssle ssrc ssrl ssrs sssc sssf ssss