-ene c-cd cccc cccf cccs ccdc ccdf ccdn ccds cced ccee ccfc ccfd ccff ccnc ccne ccnf ccns ccsd ccsf ccsn ccss cd-e cdcs cdec cdef cdes cdfe cdfs cdnc cdnf cdss cec- cece cecs cedd cede ceec cees cef- cefc cefn cen- cend cene cens cesc cese cess cfcf cfcn cfcs cfds cfns cfse cndd cnes cnss cscc cscd csce cscf cscs csdn csec csee csfc csne cssd csse dccc dccs dcds dcfc dcfs dcns dcsc dcss dddd ddes ddss dec- decc decd dece decs dedd dede deed deef deen dees defe deff defn defs dene denn dens des- desc dese dess dfcc dfcs dfds dnce dncs dnsc dscc dscn dscs dsfc dssc dssn eccc ecce ecdc ecdf eced ecef eces ecfc ecfs ecne ecsc ecse ecss eddc edde edds ede- eden edes edns edss eecs eede eeee eees eefe eefn eend eens eese efen efes effs ence encs end- ende ends ened enee enes ennc enne enns ense esce escs esds esee esen eses esfs esne esse fccf fcds fces fcsc fece fede fedn feds feed feen fees fefc fefe feff fend fene fenn fens fese fess ffcc ffee ffff ffss fndd fndn fscc fsec fssc fssf nccc nccf nccn nccs ncdc ncdn ncds ncec nced ncee ncef ncen nces ncfc ncfe ncnc ncnd ncsc ncse ncsf ncss ndcc ndcs ndde ndsf ndss necc nece necs nedc nedd nede neds need neef neen nees nefd nefe neff nefs nend nene nens nesc nese nesn ness nfdc nfff nnes nnnn nnss nscc nscd nscs nsdf nsds nsec nsfc nsfs nssc nsse nssf nsss sccc scce sccs scdc scdf scds scec scee scfc scfe scnd scsc scsd scsn sdcc sddc sdds sdef sdes sdfc sdsc sdsf sdss se-c se-d se-e se-f se-n se-s sec- secc secd sece secn secs sede seds seec seed seef seen sees seff send sene senn sens sesc sese sess sfcc sfcs sfdc sffc sfne sfss sncc sncf sned snee snes snns snsd sscc ssce sscs ssdc ssdd ssdf ssec ssee sses ssfc ssns sssc sssf ssss