cccc cccf ccci cccl cccs cccu ccee ccel ccfc ccff ccfi ccfl ccic ccii ccil ccir ccis cclc ccli ccls ccrc ccre ccrf ccri ccrl ccrs ccsf ccsi ccsl ccss ccuc ccus cec- cece ceci cecs ceec ceel cees cef- cefc ceil cel- celc cele celf celi cell cels cer- cerc cere cerf ceri cerl cers cesc cese cesi cesr cess ceui cfcf cfcl cfcs cffr cfls cfre cfse cfsi cfsl cicc cici cicr cics cicu ciee ciel cier cies cife ciff cifl cifs ciii ciis cili cill cils circ cire ciri cirl cirr cirs cis- cisc cise cisl cisr ciss ciuc cius clec clee clef clei cler cles cleu clic clif clii clir clis clri clrs clsc clue crcc crce crcr cre- crec cree crei cres creu crfc crfl crfs cric crie crif cris criu crlf crls crss crue crus cscc csce cscf csci cscl cscr cscs csec csee cser csfc csfr csir csis cslr cslu csrc csrs csse cssr csuf csur csus cucc cuce cuci cuer cues cufc cuff cufi cui- cuif cuil cuir cuis culc cule cull culs cure curf curi curl curr curs cuss cusu e-cl eccc ecce ecci eccl ecef eces ecfc ecfr ecfs ecil ecis ecrc ecrf ecri ecrl ecrr ecru ecsc ecse ecss ecsu ecus eecs eeee eees eefe eefl eele eels eerc eers eese eesi efes effi effs efic efil efsi eics eiec eiei eier eies eifs eile eire eirs eise eiss elce elec elee elef eler eles elfc elfe elfi elfs elic elie elif elil elis elle elli ells ellu else elsu elue elui elul elus ercc erce erec erei erel erer eres erfc erfs eric erie eril eris eriu erle erli erll errc erre errs erse ersi eruc erur erus esce esci escr escs escu esee esel eser eses esfs esie esil esis esli esri esse essi essl essu esuf esui esus euer eufc eufi eule eur- eurc eure euse fccf fces fcic fcii fcsc fcsl fece feel feer fees fefc fefe feff fefi feie feil feir feis fele felf feli fell fels ferc fere ferr fers feru fese fess feus ffcc ffee ffff ffii ffrr ffss ficc fice fics fiec fief fiel fier fies fifc fife fiff fifi fiii fiil file fili fill fils fire firs fisc fise fisi fiss fisu flcl flee fler fles flic flii flis flue fluf flur flus frcc free frei fres frfc fric frie fril fris frsc frue fscc fsec fsfi fssc fssf fuc- fuci fuel fufc fuff fufu fuil fuir fule fuli full fuls fulu fur- fure furi furl furr furs fusc fuse fusi fuss fusu iccc iccf icci iccl iccr iccs iccu icec icee icef icel icer ices icis icle icll iclr icrc icre icrf icrr icrs icru icsc icse icsi icsr icss icue icus iecc ieie iele iels iere ieri iers iesc iesi iesr iesu ifel ifer ifes ific ifil ifis ifrf ifri ifsc iies iiie iiii iiis iirc iirs iisc iisi iisr iisu iiuc ilce ile- ilec iler iles ilic ilie ilir ilis ill- ille illi ills ilre ilse ilus ircc ircs ircu iree irel irer ires irfe irfu iri- iric irie iril iris irrc irre irri irrs irse irsf irul irus iscc isci iscr iscs iscu isec isee isel iser ises isfc isic isie isil isis isle isls isri issc isse issf issi issr isss issu isus iucc iuce iuef iuel iuiu iuse iuss lccc lcce lccs lcer lces lcfc lcfr lcis lcls lcrl lcrs lcsc lcsr le-u lece leef leel leer lees lefe leff leic leie leif leil leir leis lele leli lell lelu lerc lere lese less lesu leuc leur lfcc lice licr lics lief liel lier lies lieu life liff lifl liii liir liis lile lili lill lils lilu lirc lire liri lirl lirr lirs liru lise lisi liss lisu liue liuf lius llcc llcs llef lles lleu lllc llll lrcs lrfc lric lrif lrrc lrrr lrse ls-r lscs lses lsfc lsrc lssr luce luci lucs luef luer lues lufe luff lufu luif luis lule luli lull lulu lure luri lurs luse lusi luss rccc rccs rcfc rcic rcis rcle rcls rcsc rcsi rcsl rcss recc rece reci recr recs recu reef reel rees refe reff refi refl refr refs refu reif reii reil reir reis reiu rele rell rels rere reri rers reru rese resi ress reue reuf reul reus reuu rfef rffc rffl rfic ricc rice rics rief riel rier ries rieu rife riff rifs rifu riif riis rile rill rilu rire riri rirs risc rise risi riss risu riue rius rlcs rlee rlef rleu rlif rlls rrfc rrif rrle rrrr rscc rscs rsee rsfc rsis rslc rsre rssl ruce ruci ruel ruer rues rufc rufe ruff ruif ruis rule rull rurc rure ruri rurs ruru ruse rusi russ rusu s-ic s-ii sccc scce sccl sccs scec scee scel scer scfc scfe scfi sci- scic scie scif scil scir scis scl- sclc scls scr- scrc scre scri scrs scsc scsi scsl scsr scsu scul scur se-c se-e se-f se-i se-s se-u sec- secc sece secr secs secu seec seef seel seer sees seeu seff sefi sefl seie seif seii seil seir seis seiu sele self seli sell sels selu serc sere serf seri serr sers seru sesc sese sesi sess seui seul seur sfcc sfcs sfer sffc sflc sfls sfrc sfss sfsu sicc sice sici sics sicu siec sief siel sier sies sife siff sifl sifr sifu sil- silc sile silf sili sill sils silu sirc sire sirf siri sirr sirs siru sisc sise sisi siss sisu siue siui sius sl-i slcc slcu slee sler sles slic slie slir slrc slre slrs slsc slsu sluc slue slur srcc srec sres srfc srfi sris sscc ssce ssci sscs ssec ssee sses ssfc ssfl ssis sslc ssle ssrc ssri ssrl ssrs sssc sssf sssi ssss suc- succ suci sucr sucs suee suel suer sues sueu suf- sufc suff sufi sufr sufs sufu suie suir suis sul- sulc sule sulf suli sull sulu sur- surc sure surf