cccc cccl cccs ccee ccel cclc ccls ccrc ccre ccrl ccrs ccsl ccss cec- cece cecs ceec ceel cees ceke cel- celc cele cell cels cer- cerc cere cerl cers cesc cese cesr cess ckck ckcl ckcs cker ckrc cksl clec clee clek cler cles clrs clsc crcc crce crcr cre- crec cree cres crkc crkl crls crss cscc csce cscl cscr cscs csec csee cser csks cslr csrc csrs csse cssr e-cl eccc ecce eccl eces ecks ecrc ecrl ecrr ecsc ecse ecss eecs eeee eees eeke eeks eele eels eerc eers eese eesk ekek eker ekes elce elec elee elek eler eles elke elks elle ells else ercc erce erec erel erer eres erke erks erle erll errc erre errs erse esce escr escs esee esek esel eser eses eske esks esse essl kccc kcck kccl kccr kcec kcee kcel kckc kckk kckl kckr kclc kcle kclk kcll kclr kcls kcrc kcrr kcrs kcsc kcse kcsr kcss keck kecr keek keel keer kees kekc keke kekl keks kele kelk kell ker- kerc kere kerk kerl kerr kers kesc kesk kesr kess kkck kkcl kkcr kkcs kkkk kklc kkll kkls kkrc kkre kkrk kkrl kkrr kkrs kkse kksr kkss klcc klce klck klcl klcr klcs klec klee klek kler kles klkc klkk klkl klkr klks kllc klle kllk klls klrc klrk klrr klrs klsc klse klsr krcc krce krcl krcs krec kree krek kres krkc krke krkk krkr krks krlc krle krrc krre krrk krrl krrr krrs krsc krse krsk krsl krsr krss ksce ksck kscl kscr kscs ksec ksee ksek ksel kser kske kskk kskr ksks kslc ksle kslk ksll kslr ksrr ksrs ksse kssl kssr ksss lccc lcce lccs lcer lces lcls lcrl lcrs lcsc lcsr lece leck leek leel leer lees leke lekk leks lele lell lerc lere lerk lese lesk less lkrs llcc llcs lles llks lllc llll lrcs lrrc lrrr lrse ls-r lscs lses lsrc lssr rccc rccs rcle rcls rcsc rcsl rcss recc rece reck recr recs reek reel rees reke reks rele rell rels rere rers rese ress rkss rlcs rlee rlls rrle rrrr rscc rscs rsee rslc rsre rssl sccc scce sccl sccs scec scee scel scer sck- sckl scl- sclc sclk scls scr- scrc scre scrs scsc scsl scsr se-c se-e se-k se-s sec- secc sece seck secr secs seec seek seel seer sees seke sekk sele selk sell sels serc sere serk serr sers sesc sese sess skee skel sker skes skss slcc slee sler sles slrc slre slrs slsc srcc srec sres sscc ssce sscs ssec ssee sses sslc ssle ssrc ssrl ssrs sssc ssss