-ene cccc cccf cccl cccs cccu ccee ccel ccfc ccff ccfl cclc ccls ccnc ccne ccnf ccnr ccns ccnu ccrc ccre ccrf ccrl ccrs ccsf ccsl ccsn ccss ccuc ccus cec- cece cecs ceec ceel cees cef- cefc cefn cel- celc cele celf cell cels cen- cene cens cer- cerc cere cerf cerl cern cers cesc cese cesr cess cfcf cfcl cfcn cfcs cffr cfln cfls cfnr cfns cfre cfrn cfse cfsl cfun clec clee clef cler cles cleu clrs clsc clue clun cnel cnes cnrc cnrr cnsl cnss crcc crce crcr cre- crec cree cren cres creu crfc crfl crfs crlf crls crne crns crss crue crun crus cscc csce cscf cscl cscr cscs csec csee cser csfc csfr cslr cslu csne csrc csrs csse cssr csuf csur csus cucc cuce cucn cuer cues cufc cuff culc cule cull culs cune cure curf curl curn curr curs cuss cusu e-cl eccc ecce eccl ecef eces ecfc ecfr ecfs ecne ecrc ecrf ecrl ecrr ecru ecsc ecse ecss ecsu ecus eecs eeee eees eefe eefl eefn eele eels eens eerc eers eese efen efes effs elce elec elee elef elen eler eles elfc elfe elfs 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 enuf enur enus ercc erce erec erel eren erer eres erfc erfs erle erll erne erns errc erre errs erse eruc erur erus esce escr escs escu esee esel esen eser eses esfs esne esse essl essu esuf esus euer eufc eule eur- eurc eure euse fccf fces fcnl fcsc fcsl fece feel feen feer fees fefc fefe feff fele felf fell fels fene fenn fens ferc fere fern ferr fers feru fese fess feus ffcc ffee ffff ffrr ffss ffun flcl flee flen fler fles flnc flue fluf flur flus fnlc fnrs fnuf frcc frcn free fren fres frfc frns frsc frue frun fscc fsec fsln fssc fssf fuc- fuel fufc fuff fufu fule full fuls fulu fune funf funs fur- fure furl furn furr furs fusc fuse fuss fusu lccc lcce lccs lcer lces lcfc lcfr lcls lcrl lcrs lcsc lcsr le-u lece leef leel leen leer lees lefe leff lele lell lelu lene lenn lens lerc lere lern lese less lesu leuc leun leur lfcc llcc llcs llef lles lleu lllc llll lncr lner lnes lnfs lrcs lrfc lrne lrrc lrrr lrse ls-r lscs lses lsfc lsrc lssr luce lucs luef luer lues lufe luff lufu lule lull lulu lune lunn luns lure lurs luse luss nccc nccf nccn nccr nccs nccu ncec ncee ncef ncel ncen ncer nces ncfc ncfe nclc ncln nclr ncnc ncrc ncre ncsc ncse ncsf ncsl ncss ncue necc nece necr necs neef neel neen neer nees nefe neff nefl nefs nelc nele nelf nell nels nene nens nenu nerc nere nerf nerl nerr ners neru nesc nese nesl nesn nesr ness neuc neue neuf neun neur neuu nfcu nfer nfff nfrs nfsr nfsu nlcc nlcf nlcs nlec nler nlls nlsc nnes nnls nnnn nnsl nnss nrcs nren nrfc nrrc nrrl nrsc nscc nscl nscs nsec nsel nser nsfc nsfs nslr nsls nsnr nsrc nsrl nssc nsse nssf nssr nsss nuce nucs nucu nuee nuel nuer nuff nule null nunc nune nunn nuns nurc nure nurl nurn nurr nurs nuru nuse nusl nuss nusu rccc rccs rcfc rcle rcls rcnl rcnr rcsc rcsl rcss recc rece recr recs recu reef reel reen rees refe reff refl refn refr refs refu rele rell rels rene renn rens renu rere rers reru rese resn ress reue reuf reul reus reuu rfef rffc rffl rlcs rlee rlef rleu rlls rncs rrfc rrle rrrr rrun rscc rscn rscs rsee rsfc rslc rsnn rsnr rsre rssl ruce ruel ruen ruer rues rufc rufe ruff rule rull runc rune runf runn runs rurc rure rurs ruru ruse russ rusu ruun sccc scce sccl sccs scec scee scel scer scfc scfe scl- sclc scls scnr scr- scrc scre scrn scrs scsc scsl scsn scsr scsu scul scun scur se-c se-e se-f se-n se-s se-u sec- secc sece secn secr secs secu seec seef seel seen seer sees seeu seff sefl sele self sell sels selu sene senn senr sens serc sere serf sern serr sers seru sesc sese sess seul seur sfcc sfcs sfer sffc sflc sfls sfne sfrc sfss sfsu slcc slcu slee sler sles slln slrc slre slrn slrs slsc slsu sluc slue slur sncc sncf snee snel sner snes snfu snlf snns snrs snur snus srcc srec sres srfc srnn sscc ssce sscs ssec ssee sses ssfc ssfl sslc ssle ssns ssrc ssrl ssrs sssc sssf ssss suc- succ sucr sucs suee suel suen suer sues sueu suf- sufc suff sufr sufs sufu sul- sulc sule sulf sull sulu sun- sune sunn suns sunu sur- surc sure surf surn surr surs suru sus- suse suss susu suus ucel uces ucrc ucsc ucsf ucsu uele uell uers uesn uess ufcu ufel ufer uffe ulcc ulee ulen ules ulfe ulle ullr ulne ulul ulus uncc unce uncf uncl uncs unec unee unef unen uner unes unle unlf unne unns unrf unrs uns- unsc unus ure- ures urfe urff urle urls urne urns urre urse urss ursu urun urur urus uscc usce uscf uscs usee usef usel usen user uses usfc usfl usfs usle uslu usnc usnr usnu ussc usse ussf ussr usss ussu usul usun usus uuen uulu uuuu