cccc cccf cccl cccs ccee ccel ccfc ccff ccfl cclc ccls ccsf ccsl ccss cec- cece cecs ceec ceel cees cef- cefc ceke cel- celc cele celf cell cels cesc cese cess cfcf cfcl cfcs cfls cfse cfsl ckck ckcl ckcs cklf cksl clec clee clef clek cles clsc cscc csce cscf cscl cscs csec csee csfc csks csse e-cl eccc ecce eccl ecef eces ecfc ecfs ecks ecsc ecse ecss eecs eeee eees eefe eefl eeke eeks eele eels eese eesk efes effs efke ekek ekes ekfc elce elec elee elef elek eles elfc elfe elfs elke elks elle ells else esce escs esee esek esel eses esfs eske esks esse essl f--k fccf fces fcsc fcsl fece feck feek feel fees fefc fefe feff feke fele felf felk fell fels fese fess ffcc ffee ffff ffss flcl flee fles fscc fsck fsec fssc fssf kccc kcck kccl kcec kcee kcel kcfc kcfl kckc kckf kckk kckl kclc kcle kclf kclk kcll kcls kcsc kcse kcsf kcss keck keef keek keel kees kefc keff kefs kekc keke kekl keks kele kelf kelk kell kesc kesk kess kfcf kfcs kfel kfff kffk kflc kflf kfll kfls kfse kfsk kkck kkcl kkcs kkfs kkkk kklc kklf kkll kkls kkse kksf kkss klcc klce klck klcl klcs klec klee klef klek kles klfc klfe klff klkc klkk klkl klks kllc klle kllk klls klsc klse klsf ksce ksck kscl kscs ksec ksee ksek ksel ksfc ksfe kske kskf kskk ksks kslc ksle kslk ksll ksse kssl ksss lccc lcce lccs lces lcfc lcls lcsc lece leck leef leek leel lees lefe leff leke lekk leks lele lell lese lesk less lfcc lkfs llcc llcs llef lles llks lllc llll lscs lses lsfc sccc scce sccl sccs scec scee scel scfc scfe sck- sckl scl- sclc sclk scls scsc scsl se-c se-e se-f se-k se-s sec- secc sece seck secs seec seef seek seel sees seff sefl seke sekk sele self selk sell sels sesc sese sess sfcc sfcs sffc sflc sfls sfss skee skel skes skfc skss slcc slee sles slsc sscc ssce sscs ssec ssee sses ssfc ssfl sslc ssle sssc sssf ssss