cccc cccl cccs ccee ccel cclc ccls cclx ccrc ccre ccrl ccrs ccsl ccss ccxl cec- cece cecs ceec ceel cees cel- celc cele cell cels cely cer- cerc cere cerl cers cery cesc cese cesr cess cexe ceyl ceys ceyx clec clee cler cles cley clrs clsc clxx cly- clye crcc crce crcr cre- crec cree cres crex crls crss cry- crys cscc csce cscl cscr cscs csec csee cser cslr csrc csrs csse cssr csys cxxx cyc- cycc cycl cycs cyl- cylc cyle cyll cyls cyre cyrl cyrs cyse cyy- cyyc e-cl eccc ecce eccl eces ecly ecrc ecrl ecrr ecsc ecse ecss eecs eeee eees eele eels eely eerc eers eery eese eesy elce elec elee eler eles elex eley elle ells elly else elys er-x ercc erce erec erel erer eres erle erll errc erre errs erse eryc erye eryx esce escr escs esee esel eser eses esse essl essy excl exec exel exer exes exrx exxy eyec eyer eyes eyey eyle eyre eyry eyse eyyr lccc lcce lccs lcer lces lcls lcrl lcrs lcsc lcsr lece lecy leel leer lees lele lell lely lerc lere lery lese less lexx lexy leye leyr leys llcc llcs lles lllc llll llyr lrcs lrrc lrrr lrry lrse ls-r lscs lses lsrc lssr lxxx lyc- lyce lyer lyes lyle lyly lyre lys- lyse lysl lyss lyx- rccc rccs rcle rcls rcsc rcsl rcss rcyc recc rece recr recs recy reel rees rele rell rels rely rere rers rery rese ress rexx reye reys rlcs rlee rlls rlys rrle rrrr rscc rscs rscy rsee rslc rsre rssl rxes ryel ryes ryle rysy sccc scce sccl sccs sccy scec scee scel scer scey scl- sclc scls scr- scrc scre scrs scry scsc scsl scsr scye se-c se-e se-s se-x se-y sec- secc sece secr secs secy seec seel seer sees seex seey sele sell sels sely serc sere serr sers sery sesc sese sess sex- sexe sexy seye seyl seys slcc slee sler sles sley slrc slre slrs slsc slye slys srcc srec sres sscc ssce sscs ssec ssee sses ssex sslc ssle ssrc ssrl ssrs sssc ssss syce sycr syer syes syl- syle syll syls syre syrs syry syse syss syxe xcel xces xeer xely xer- xers xexe xsel xxxx xxxy xyl- xyr- yccc ycee yeel yeer yees yele yell yere yerl yerr yers yery yess yeye yeyr ylex ylle ylls yrle yrly ysee ysel yser yses ysle ysse yyyy