-ene cccc cccf cccl cccs ccee ccel ccfc ccff ccfl cclc ccls ccnc ccne ccnf ccns ccsf ccsl ccsn ccss cec- cece cecs ceec ceel cees cef- cefc cefn ceke cel- celc cele celf cell cels cen- cene cens cesc cese cess cfcf cfcl cfcn cfcs cfln cfls cfns cfse cfsl ckck ckcl ckcs cken cklf ckln cknc ckns cksl clec clee clef clek cles clsc cnel cnes cnsl cnss cscc csce cscf cscl cscs csec csee csfc csks csne csse e-cl eccc ecce eccl ecef eces ecfc ecfs ecks ecne ecsc ecse ecss eecs eeee eees eefe eefl eefn eeke eeks eele eels eens eese eesk efen efes effs efke ekek eken ekes ekfc ekne elce elec elee elef elek elen eles elfc elfe elfs elke elks elle ells elne else ence encl encs enee enel enes enke enls ennc enne enns ense esce escs esee esek esel esen eses esfs eske esks esne esse essl f--k fccf fces fcnl fcsc fcsl fece feck feek feel feen fees fefc fefe feff feke fele felf felk fell fels fene fenk fenn fens fese fess ffcc ffee ffff ffss flcl flee flen fles flnc fnlc fscc fsck fsec fsln fssc fssf kccc kcck kccl kcec kcee kcel kcfc kcfl kcfn kckc kckf kckk kckl kckn kclc kcle kclf kclk kcll kcln kcls kcns kcsc kcse kcsf kcsn kcss keck keef keek keel keen kees kefc keff kefs kekc keke kekl keks kele kelf kelk kell keln ken- kene kenk kenl kenn kens kesc kesk kesn kess kfcf kfcs kfel kfff kffk kffn kflc kflf kfll kfln kfls kfnc kfnf kfnk kfnl kfnn kfns kfse kfsk kkck kkcl kkcn kkcs kken kkfn kkfs kkkk kklc kklf kkll kkln kkls kkne kknn kkns kkse kksf kksn kkss klcc klce klck klcl klcn klcs klec klee klef klek klen kles klfc klfe klff klfn klkc klkk klkl klkn klks kllc klle kllk klls klnc klne klnn klsc klse klsf klsn knce knck kncn knec knee knef knek knel knen knes knfl knkk knlc knlf knls knnk knns knsc knse knsk knsl knsn knss ksce ksck kscl kscn kscs ksec ksee ksek ksel ksen ksfc ksfe ksfn kske kskf kskk kskn ksks kslc ksle kslk ksll ksln ksnc ksnf ksnk ksnl ksnn ksns ksse kssl kssn ksss lccc lcce lccs lces lcfc lcls lcsc lece leck leef leek leel leen lees lefe leff leke lekk leks lele lell lene lenk lenn lens lese lesk less lfcc lkfs llcc llcs llef lles llks lllc llll lnes lnfs lnnk lscs lses lsfc nccc nccf nccn nccs ncec ncee ncef ncel ncen nces ncfc ncfe nclc ncln ncnc ncsc ncse ncsf ncsl ncss necc nece neck necs neef neel neen nees nefe neff nefl nefs neke nelc nele nelf nell nels nene nens nesc nese nesl nesn ness nfff nkfc nlcc nlcf nlcs nlec nlls nlsc nnes nnls nnnn nnsl nnss nscc nscl nscs nsec nsel nsfc nsfk nsfs nskk nsls nssc nsse nssf nsss sccc scce sccl sccs scec scee scel scfc scfe sck- sckl scl- sclc sclk scls scsc scsl scsn se-c se-e se-f se-k se-n se-s sec- secc sece seck secn secs seec seef seek seel seen sees seff sefl seke sekk sele self selk sell sels sene senn sens sesc sese sess sfcc sfcs sffc sflc sfls sfne sfss skee skel sken skes skfc skn- skss slcc slee sles slln slsc sncc sncf snee snel snes snlf snns sscc ssce sscs ssec ssee sses ssfc ssfl sslc ssle ssns sssc sssf ssss