cccc cccf cccl cccs cccu ccee ccel ccfc ccff ccfl cclc ccls ccrc ccre ccrf ccrl ccrs ccsf ccsl ccss ccuc ccus cec- cece cecs ceec ceel cees cef- cefc cel- celc cele celf cell cels cer- cerc cere cerf cerl cers cesc cese cesr cess cfcf cfcl cfcs cffr cfls cfre cfse cfsl clec clee clef cler cles cleu clrs clsc clue crcc crce crcr cre- crec cree cres creu crfc crfl crfs crlf crls crss crue crus cscc csce cscf cscl cscr cscs csec csee cser csfc csfr cslr cslu csrc csrs csse cssr csuf csur csus cucc cuce cuer cues cufc cuff culc cule cull culs cure curf curl curr curs cuss cusu e-cl eccc ecce eccl ecef eces ecfc ecfr ecfs ecrc ecrf ecrl ecrr ecru ecsc ecse ecss ecsu ecus eecs eeee eees eefe eefl eele eels eerc eers eese efes effs elce elec elee elef eler eles elfc elfe elfs elle ells ellu else elsu elue elul elus ercc erce erec erel erer eres erfc erfs erle erll errc erre errs erse eruc erur erus esce escr escs escu esee esel eser eses esfs esse essl essu esuf esus euer eufc eule eur- eurc eure euse fccf fces fcsc fcsl fece feel feer fees fefc fefe feff fele felf fell fels ferc fere ferr fers feru fese fess feus ffcc ffee ffff ffrr ffss flcl flee fler fles flue fluf flur flus frcc free fres frfc frsc frue fscc fsec fssc fssf fuc- fuel fufc fuff fufu fule full fuls fulu fur- fure furl furr furs fusc fuse fuss fusu lccc lcce lccs lcer lces lcfc lcfr lcls lcrl lcrs lcsc lcsr le-u lece leef leel leer lees lefe leff lele lell lelu lerc lere lese less lesu leuc leur lfcc llcc llcs llef lles lleu lllc llll lrcs lrfc lrrc lrrr lrse ls-r lscs lses lsfc lsrc lssr luce lucs luef luer lues lufe luff lufu lule lull lulu lure lurs luse luss rccc rccs rcfc rcle rcls rcsc rcsl rcss recc rece recr recs recu reef reel rees refe reff refl refr refs refu rele rell rels rere rers reru rese ress reue reuf reul reus reuu rfef rffc rffl rlcs rlee rlef rleu rlls rrfc rrle rrrr rscc rscs rsee rsfc rslc rsre rssl ruce ruel ruer rues rufc rufe ruff rule rull rurc rure rurs ruru ruse russ rusu sccc scce sccl sccs scec scee scel scer scfc scfe scl- sclc scls scr- scrc scre scrs scsc scsl scsr scsu scul scur se-c se-e se-f se-s se-u sec- secc sece secr secs secu seec seef seel seer sees seeu seff sefl sele self sell sels selu serc sere serf serr sers seru sesc sese sess seul seur sfcc sfcs sfer sffc sflc sfls sfrc sfss sfsu slcc slcu slee sler sles slrc slre slrs slsc slsu sluc slue slur srcc srec sres srfc sscc ssce sscs ssec ssee sses ssfc ssfl sslc ssle ssrc ssrl ssrs sssc sssf ssss suc- succ sucr sucs suee suel suer sues sueu suf- sufc suff sufr sufs sufu sul- sulc sule sulf sull sulu sur- surc sure surf surr surs suru sus- suse suss susu suus ucel uces ucrc ucsc ucsf ucsu uele uell uers uess ufcu ufel ufer uffe ulcc ulee ules ulfe ulle ullr ulul ulus ure- ures urfe urff urle urls urre urse urss ursu urur urus uscc usce uscf uscs usee usef usel user uses usfc usfl usfs usle uslu ussc usse ussf ussr usss ussu usul usus uulu uuuu