-ene c-cd cccc cccs ccdc ccdn ccds cced ccee ccnc ccne ccns ccsd ccsn ccss cd-e cdcs cdec cdes cdnc cdss cec- cece cecs cedd cede ceec cees cen- cend cene cens cesc cese cess cndd cnes cnss cscc cscd csce cscs csdn csec csee csne cssd csse dccc dccs dcds dcns dcsc dcss dddd ddes ddss dec- decc decd dece decs dedd dede deed deen dees dene denn dens des- desc dese dess dnce dncs dnsc dscc dscn dscs dssc dssn eccc ecce ecdc eced eces ecne ecsc ecse ecss eddc edde edds ede- eden edes edns edss eecs eede eeee eees eend eens eese ence encs end- ende ends ened enee enes ennc enne enns ense esce escs esds esee esen eses esne esse nccc nccn nccs ncdc ncdn ncds ncec nced ncee ncen nces ncnc ncnd ncsc ncse ncss ndcc ndcs ndde ndss necc nece necs nedc nedd nede neds need neen nees nend nene nens nesc nese nesn ness nnes nnnn nnss nscc nscd nscs nsds nsec nssc nsse nsss sccc scce sccs scdc scds scec scee scnd scsc scsd scsn sdcc sddc sdds sdes sdsc sdss se-c se-d se-e se-n se-s sec- secc secd sece secn secs sede seds seec seed seen sees send sene senn sens sesc sese sess sncc sned snee snes snns snsd sscc ssce sscs ssdc ssdd ssec ssee sses ssns sssc ssss