cccc cccf ccci cccl cccs ccee ccel ccfc ccff ccfi ccfl ccic ccii ccil ccir ccis cclc ccli ccls ccrc ccre ccrf ccri ccrl ccrs ccsf ccsi ccsl ccss cec- cece ceci cecs ceec ceel cees cef- cefc ceil ceke cel- celc cele celf celi cell cels cer- cerc cere cerf ceri cerl cers cesc cese cesi cesr cess cfcf cfcl cfcs cffr cfls cfre cfse cfsi cfsl cicc cici cicr cics ciee ciel cier cies cife ciff cifl cifs ciii ciis cikr cili cilk cill cils circ cire ciri cirk cirl cirr cirs cis- cisc cise cisk cisl cisr ciss ckck ckcl ckcs cker ckfi ckfr cklf ckrc cksl clec clee clef clei clek cler cles clic clif clii clik clir clis clri clrs clsc crcc crce crcr cre- crec cree crei cres crfc crfl crfs cric crie crif crik cris crkc crkl crlf crls crss cscc csce cscf csci cscl cscr cscs csec csee cser csfc csfr csik csir csis csks cslr csrc csrs csse cssr e-cl eccc ecce ecci eccl ecef eces ecfc ecfr ecfs ecil ecis ecks ecrc ecrf ecri ecrl ecrr ecsc ecse ecss eecs eeee eees eefe eefl eeke eeks eele eels eerc eers eese eesi eesk efes effi effs efic efik efil efke efsi eick eics eiec eiei eier eies eifs eike eiki eiks eile eire eirs eise eisk eiss ekek eker ekes ekfc ekis ekki eksi elce elec elee elef elek eler eles elfc elfe elfi elfs elic elie elif elik elil elis elke elki elks elle elli ells else ercc erce erec erei erel erer eres erfc erfs eric erie erik eril eris erke erki erks erle erli erll errc erre errs erse ersi esce esci escr escs esee esek esel eser eses esfs esie esik esil esis eske esks esli esri esse essi essl f--k fccf fces fcic fcii fcsc fcsl fece feck feek feel feer fees fefc fefe feff fefi feie feil feir feis feke fele felf feli felk fell fels ferc fere ferk ferr fers fese fess ffcc ffee ffff ffii ffrr ffss ficc fice fick fics fiec fief fiel fier fies fifc fife fiff fifi fiii fiil fike fiki file fili filk fill fils fire firk firs fisc fise fisi fisk fiss flcl flee fler fles flic flii flik flis frcc free frei fres frfc fric frie frik fril fris frsc fscc fsck fsec fsfi fssc fssf iccc iccf icci iccl iccr iccs icec icee icef icel icer ices icis icke icks icle icll iclr icrc icre icrf icrr icrs icsc icse icsi icsr icss iecc ieie iele iels iere ieri iers iesc iesi iesr ifel ifer ifes ific ifil ifis ifrf ifri ifsc iies iiie iiii iiis iirc iirs iisc iisi iisr ikee iker ikes ikki ikri ilce ile- ilec ilek iler iles ilic ilie ilir ilis ilke ilki ilks ill- ille illi ills ilre ilse ircc ircs iree irel irer ires irfe iri- iric irie iril iris irki irks irrc irre irri irrs irse irsf iscc isci iscr iscs isec isee isel iser ises isfc isic isie isil isis iskf isle isls isri issc isse issf issi issr isss k-ci kccc kcci kcck kccl kccr kcec kcee kcei kcel kcfc kcfi kcfl kcic kcie kcif kcii kcil kcir kcis kckc kckf kckk kckl kckr kclc kcle kclf kcli kclk kcll kclr kcls kcrc kcri kcrr kcrs kcsc kcse kcsf kcsi kcsr kcss keck kecr keef keek keel keer kees kefc keff kefr kefs keif keii keik keil keir keis kekc keke keki kekl keks kele kelf keli kelk kell ker- kerc kere kerf keri kerk kerl kerr kers kesc kesi kesk kesr kess kfcf kfcr kfcs kfel kfer kfff kffk kfil kfir kfis kflc kflf kfli kfll kfls kfrc kfre kfri kfrr kfrs kfse kfsi kfsk kfsr kicc kice kick kicl kicr kics kief kiel kier kies kife kiff kifl kifr kifs kiic kiii kiik kiis kikc kikf kiki kikk kikr kile kili kilk kill kilr kirc kirf kiri kirk kirr kirs kisc kise kisf kisi kisk kisl kisr kiss kkci kkck kkcl kkcr kkcs kkfi kkfr kkfs kkic kkik kkkk kklc kklf kkli kkll kkls kkrc kkre kkrf kkrk kkrl kkrr kkrs kkse kksf kksi kksr kkss klcc klce klci klck klcl klcr klcs klec klee klef klek kler kles klfc klfe klff klfi klic klif klik klil klir klis klkc klkk klkl klkr klks kllc klle kllk klls klrc klrf klrk klrr klrs klsc klse klsf klsi klsr krcc krce krci krcl krcs krec kree kref krei krek kres krfc krfe krff krfs krik kril kris krkc krke krki krkk krkr krks krlc krle krlf krrc krre krrf krri krrk krrl krrr krrs krsc krse krsf krsk krsl krsr krss ksce ksci ksck kscl kscr kscs ksec ksee ksei ksek ksel kser ksfc ksfe ksfi ksfr ksif ksii ksik ksil ksir ksis kske kskf kskk kskr ksks kslc ksle ksli kslk ksll kslr ksrf ksrr ksrs ksse kssi kssl kssr ksss lccc lcce lccs lcer lces lcfc lcfr lcis lcls lcrl lcrs lcsc lcsr lece leck leef leek leel leer lees lefe leff leic leie leif leik leil leir leis leke leki lekk leks lele leli lell lerc lere lerk lese lesk less lfcc lice lick licr lics lief liek liel lier lies life liff lifl liii liir liis like lile lili lill lils lirc lire liri lirk lirl lirr lirs lise lisi lisk liss lkfs lkrs llcc llcs llef lles llks lllc llll lrcs lrfc lric lrif lrrc lrrr lrse ls-r lscs lses lsfc lsrc lssr rccc rccs rcfc rcic rcis rcle rcls rcsc rcsi rcsl rcss recc rece reci reck recr recs reef reek reel rees refe reff refi refl refr refs reif reii reik reil reir reis reke reki reks rele rell rels rere reri rers rese resi ress rfef rffc rffl rfic ricc rice rick rics rief riek riel rier ries rife riff rifs riif riis rike riki rikk rile rill rire riri rirs risc rise risi risk riss