cccc cccl cccs cccv ccee ccel cclc ccls cclv ccsl ccss ccvs cec- cece cecs ceec ceel cees cel- celc cele cell cels cesc cese cess clec clee cles clsc cscc csce cscl cscs csec csee csse cvcc cvsl cvss e-cl eccc ecce eccl eces ecsc ecse ecss eecs eeee eees eele eels eelv eese elce elec elee eles elev elle ells else elve esce escs esee esel eses esse essl evel eves evsc lccc lcce lccs lces lcls lcsc lece leel lees lele lell lese less lev- levc leve levs llcc llcs lles lllc llll lscs lses lvcc lvsv sccc scce sccl sccs scec scee scel scl- sclc scls scsc scsl se-c se-e se-s sec- secc sece secs secv seec seel sees sele sell sels sesc sese sess seve sevl slcc slee sles slsc sscc ssce sscs ssec ssee sses sslc ssle sssc ssss svcc svce svcs svec svsc vecc veel vees vel- vele vell vels vesc vese vess veve vlcc vsee vsel vses vssc vsse vssl vvvv