cccc cccl cccs ccee ccel cclc ccls ccsl ccss cec- cece cecs ceec ceel cees ceke cel- celc cele cell cels cesc cese cess ckck ckcl ckcs cksl clec clee clek cles clsc cscc csce cscl cscs csec csee csks csse e-cl eccc ecce eccl eces ecks ecsc ecse ecss eecs eeee eees eeke eeks eele eels eese eesk ekek ekes elce elec elee elek eles elke elks elle ells else esce escs esee esek esel eses eske esks esse essl kccc kcck kccl kcec kcee kcel kckc kckk kckl kclc kcle kclk kcll kcls kcsc kcse kcss keck keek keel kees kekc keke kekl keks kele kelk kell kesc kesk kess kkck kkcl kkcs kkkk kklc kkll kkls kkse kkss klcc klce klck klcl klcs klec klee klek kles klkc klkk klkl klks kllc klle kllk klls klsc klse ksce ksck kscl kscs ksec ksee ksek ksel kske kskk ksks kslc ksle kslk ksll ksse kssl ksss lccc lcce lccs lces lcls lcsc lece leck leek leel lees leke lekk leks lele lell lese lesk less llcc llcs lles llks lllc llll lscs lses sccc scce sccl sccs scec scee scel sck- sckl scl- sclc sclk scls scsc scsl se-c se-e se-k se-s sec- secc sece seck secs seec seek seel sees seke sekk sele selk sell sels sesc sese sess skee skel skes skss slcc slee sles slsc sscc ssce sscs ssec ssee sses sslc ssle sssc ssss