-ene c-cd cccc cccf cccl cccs ccdc ccdf ccdn ccds cced ccee ccel ccfc ccfd ccff ccfl cclc ccls ccnc ccne ccnf ccns ccsd ccsf ccsl ccsn ccss cd-e cdcs cddl cdec cdef cdes cdfe cdfs cdls cdnc cdnf cdss cec- cece cecs cedd cede ceec ceel cees cef- cefc cefn cel- celc cele celf cell cels cen- cend cene cens cesc cese cess cfcf cfcl cfcn cfcs cfds cfln cfls cfns cfse cfsl clcd cldc clec cled clee clef cles clsc cndd cnel cnes cnsl cnss cscc cscd csce cscf cscl cscs csdn csec csee csfc csld csne cssd csse dccc dccl dccs dcds dcfc dcfs dcls dcns dcsc dcss dddd ddes ddlc ddss dec- decc decd dece decl decs dedd dede deed deef deel deen dees defe deff defn defs deld dele delf dell dels dene denn dens des- desc dese dess dfcc dfcs dfds dlcs dnce dncs dnsc dscc dscn dscs dsfc dsls dssc dssn e-cl eccc ecce eccl ecdc ecdf ecdl eced ecef eces ecfc ecfs ecne ecsc ecse ecss eddc edde edds ede- edel eden edes edfl edle ednl edns edss eecs eede eeee eees eefe eefl eefn eele eels eend eens eese efen efes effs elce elde elds elec eled elee elef elen eles elfc elfe elfs elle ells elne else ence encl encs end- ende ends ened enee enel enes enls ennc enne enns ense esce escs esdl esds esee esel esen eses esfs esne esse essl fccf fcds fces fcnl fcsc fcsl fece fede fedn feds feed feel feen fees fefc fefe feff feld fele felf fell fels fend fene fenn fens fese fess ffcc ffee ffff ffss flcl fled flee flen fles flnc fndd fndn fnlc fscc fsec fsln fssc fssf lccc lcce lccs lcdd lcds lces lcfc lcls lcsc lcsd ldcf ldls lece lede leds leed leef leel leen lees lefe leff lele lell lend lene lenn lens lese less lfcc llcc llcs lldc llds llef lles lllc llll lndn lnes lnfs lscs lsds lses lsfc nccc nccf nccn nccs ncdc ncdn ncds ncec nced ncee ncef ncel ncen nces ncfc ncfe nclc ncln ncnc ncnd ncsc ncse ncsf ncsl ncss ndcc ndcs ndde ndls ndsf ndsl ndss necc nece necs nedc nedd nede neds need neef neel neen nees nefd nefe neff nefl nefs nelc neld nele nelf nell nels nend nene nens nesc nese nesl nesn ness nfdc nfff nfld nlcc nlcf nlcs nlec nlls nlsc nnes nnls nnnn nnsl nnss nscc nscd nscl nscs nsdf nsdl nsds nsec nsel nsfc nsfs nsls nssc nsse nssf nsss sccc scce sccl sccs scdc scdf scds scec scee scel scfc scfe scl- sclc scls scnd scsc scsd scsl scsn sdcc sddc sdds sdef sdes sdfc sdlc sdls sdsc sdsf sdsl sdss se-c se-d se-e se-f se-n se-s sec- secc secd sece secn secs sede seds seec seed seef seel seen sees seff sefl seld sele self sell sels send sene senn sens sesc sese sess sfcc sfcs sfdc sffc sflc sfls sfne sfss slcc slcd slds sled slee sles slln slsc sncc sncf sned snee snel snes snlf snns snsd sscc ssce sscs ssdc ssdd ssdf ssec ssee sses ssfc ssfl sslc ssle ssns sssc sssf ssss