-ene cccc cccl cccs cccu ccee ccel cclc ccls ccnc ccne ccnr ccns ccnu ccrc ccre ccrl ccrs ccsl ccsn ccss ccuc ccus cec- cece cecs ceec ceel cees cel- celc cele cell cels cen- cene cens cer- cerc cere cerl cern cers cesc cese cesr cess clec clee cler cles cleu clrs clsc clue clun cnel cnes cnrc cnrr cnsl cnss crcc crce crcr cre- crec cree cren cres creu crls crne crns crss crue crun crus cscc csce cscl cscr cscs csec csee cser cslr cslu csne csrc csrs csse cssr csur csus cucc cuce cucn cuer cues culc cule cull culs cune cure curl curn curr curs cuss cusu e-cl eccc ecce eccl eces ecne ecrc ecrl ecrr ecru ecsc ecse ecss ecsu ecus eecs eeee eees eele eels eens eerc eers eese elce elec elee elen eler eles elle ells ellu elne else elsu elue elul elus ence encl encs enee enel ener enes enls ennc enne enns ennu enrs ense ensu enue enur enus ercc erce erec erel eren erer eres erle erll erne erns errc erre errs erse eruc erur erus esce escr escs escu esee esel esen eser eses esne esse essl essu esus euer eule eur- eurc eure euse lccc lcce lccs lcer lces lcls lcrl lcrs lcsc lcsr le-u lece leel leen leer lees lele lell lelu lene lenn lens lerc lere lern lese less lesu leuc leun leur llcc llcs lles lleu lllc llll lncr lner lnes lrcs lrne lrrc lrrr lrse ls-r lscs lses lsrc lssr luce lucs luer lues lule lull lulu lune lunn luns lure lurs luse luss nccc nccn nccr nccs nccu ncec ncee ncel ncen ncer nces nclc ncln nclr ncnc ncrc ncre ncsc ncse ncsl ncss ncue necc nece necr necs neel neen neer nees nelc nele nell nels nene nens nenu nerc nere nerl nerr ners neru nesc nese nesl nesn nesr ness neuc neue neun neur neuu nlcc nlcs nlec nler nlls nlsc nnes nnls nnnn nnsl nnss nrcs nren nrrc nrrl nrsc nscc nscl nscs nsec nsel nser nslr nsls nsnr nsrc nsrl nssc nsse nssr nsss nuce nucs nucu nuee nuel nuer nule null nunc nune nunn nuns nurc nure nurl nurn nurr nurs nuru nuse nusl nuss nusu rccc rccs rcle rcls rcnl rcnr rcsc rcsl rcss recc rece recr recs recu reel reen rees rele rell rels rene renn rens renu rere rers reru rese resn ress reue reul reus reuu rlcs rlee rleu rlls rncs rrle rrrr rrun rscc rscn rscs rsee rslc rsnn rsnr rsre rssl ruce ruel ruen ruer rues rule rull runc rune runn runs rurc rure rurs ruru ruse russ rusu ruun sccc scce sccl sccs scec scee scel scer scl- sclc scls scnr scr- scrc scre scrn scrs scsc scsl scsn scsr scsu scul scun scur se-c se-e se-n se-s se-u sec- secc sece secn secr secs secu seec seel seen seer sees seeu sele sell sels selu sene senn senr sens serc sere sern serr sers seru sesc sese sess seul seur slcc slcu slee sler sles slln slrc slre slrn slrs slsc slsu sluc slue slur sncc snee snel sner snes snns snrs snur snus srcc srec sres srnn sscc ssce sscs ssec ssee sses sslc ssle ssns ssrc ssrl ssrs sssc ssss suc- succ sucr sucs suee suel suen suer sues sueu sul- sulc sule sull sulu sun- sune sunn suns sunu sur- surc sure surn surr surs suru sus- suse suss susu suus ucel uces ucrc ucsc ucsu uele uell uers uesn uess ulcc ulee ulen ules ulle ullr ulne ulul ulus uncc unce uncl uncs unec unee unen uner unes unle unne unns unrs uns- unsc unus ure- ures urle urls urne urns urre urse urss ursu urun urur urus uscc usce uscs usee usel usen user uses usle uslu usnc usnr usnu ussc usse ussr usss ussu usul usun usus uuen uulu uuuu