cccc cccl cccs ccee ccel cclc ccls ccsl ccss ccst cctc cctl cctt cec- cece cecs cect ceec ceel cees cel- celc cele cell cels celt cesc cese cess cest cet- cete cets clec clee cles clet clsc cltc clts cscc csce cscl cscs csec csee cset csse cstc csts ctec ctle ctls ctsc ctss ctts e-cl eccc ecce eccl ecct eces eclt ecsc ecse ecss ect- ectc ects eecs eeee eees eele eels eese eetc eete eets elce elec elee eles elet elle ells else elst elte elts esce escs esee esel eses eset esse essl esst estc este ests etcc etcs etec etee etel etes ette lccc lcce lccs lces lcls lcsc lctl lcts lece lect leel lees leet lele lell lese less lest lete lets lett llcc llcs lles llet lllc llll lscs lses lset lsts ltcc ltcs ltee lttc sccc scce sccl sccs scct scec scee scel scet scl- sclc scls scsc scsl scst sctc sctl scts se-c se-e se-s se-t sec- secc sece secs sect seec seel sees seet sele sell sels selt sesc sese sess sest set- setc sete setl sets sett slcc slee sles slet slsc slst slts sscc ssce sscs ssec ssee sses sset sslc ssle sslt sssc ssss sstc sstl ssts stcc stcs stec stee stel stes stet stlc stle stlt stss sttc tccc tctc tcts tecl tecs tect teec teel tees teet tel- telc tele tell tels telt tesc tese tesl tess test tete tets tett tscc tsec tses tset tsse tsst tstc tsts ttss tttt