cccc cccf ccci cccs ccee ccfc ccff ccfi ccic ccii ccir ccis ccrc ccre ccrf ccri ccrs ccsf ccsi ccss cec- cece ceci cecs ceec cees cef- cefc ceke cer- cerc cere cerf ceri cers cesc cese cesi cesr cess cfcf cfcs cffr cfre cfse cfsi cicc cici cicr cics ciee cier cies cife ciff cifs ciii ciis cikr circ cire ciri cirk cirr cirs cis- cisc cise cisk cisr ciss ckck ckcs cker ckfi ckfr ckrc crcc crce crcr cre- crec cree crei cres crfc crfs cric crie crif crik cris crkc crss cscc csce cscf csci cscr cscs csec csee cser csfc csfr csik csir csis csks csrc csrs csse cssr eccc ecce ecci ecef eces ecfc ecfr ecfs ecis ecks ecrc ecrf ecri ecrr ecsc ecse ecss eecs eeee eees eefe eeke eeks eerc eers eese eesi eesk efes effi effs efic efik efke efsi eick eics eiec eiei eier eies eifs eike eiki eiks eire eirs eise eisk eiss ekek eker ekes ekfc ekis ekki eksi ercc erce erec erei erer eres erfc erfs eric erie erik eris erke erki erks errc erre errs erse ersi esce esci escr escs esee esek eser eses esfs esie esik esis eske esks esri esse essi f--k fccf fces fcic fcii fcsc fece feck feek feer fees fefc fefe feff fefi feie feir feis feke ferc fere ferk ferr fers fese fess ffcc ffee ffff ffii ffrr ffss ficc fice fick fics fiec fief fier fies fifc fife fiff fifi fiii fike fiki fire firk firs fisc fise fisi fisk fiss frcc free frei fres frfc fric frie frik fris frsc fscc fsck fsec fsfi fssc fssf iccc iccf icci iccr iccs icec icee icef icer ices icis icke icks icrc icre icrf icrr icrs icsc icse icsi icsr icss iecc ieie iere ieri iers iesc iesi iesr ifer ifes ific ifis ifrf ifri ifsc iies iiie iiii iiis iirc iirs iisc iisi iisr ikee iker ikes ikki ikri ircc ircs iree irer ires irfe iri- iric irie iris irki irks irrc irre irri irrs irse irsf iscc isci iscr iscs isec isee iser ises isfc isic isie isis iskf isri issc isse issf issi issr isss k-ci kccc kcci kcck kccr kcec kcee kcei kcfc kcfi kcic kcie kcif kcii kcir kcis kckc kckf kckk kckr kcrc kcri kcrr kcrs kcsc kcse kcsf kcsi kcsr kcss keck kecr keef keek keer kees kefc keff kefr kefs keif keii keik keir keis kekc keke keki keks ker- kerc kere kerf keri kerk kerr kers kesc kesi kesk kesr kess kfcf kfcr kfcs kfer kfff kffk kfir kfis kfrc kfre kfri kfrr kfrs kfse kfsi kfsk kfsr kicc kice kick kicr kics kief kier kies kife kiff kifr kifs kiic kiii kiik kiis kikc kikf kiki kikk kikr kirc kirf kiri kirk kirr kirs kisc kise kisf kisi kisk kisr kiss kkci kkck kkcr kkcs kkfi kkfr kkfs kkic kkik kkkk kkrc kkre kkrf kkrk kkrr kkrs kkse kksf kksi kksr kkss krcc krce krci krcs krec kree kref krei krek kres krfc krfe krff krfs krik kris krkc krke krki krkk krkr krks krrc krre krrf krri krrk krrr krrs krsc krse krsf krsk krsr krss ksce ksci ksck kscr kscs ksec ksee ksei ksek kser ksfc ksfe ksfi ksfr ksif ksii ksik ksir ksis kske kskf kskk kskr ksks ksrf ksrr ksrs ksse kssi kssr ksss rccc rccs rcfc rcic rcis rcsc rcsi rcss recc rece reci reck recr recs reef reek rees refe reff refi refr refs reif reii reik reir reis reke reki reks rere reri rers rese resi ress rfef rffc rfic ricc rice rick rics rief riek rier ries rife riff rifs riif riis rike riki rikk rire riri rirs risc rise risi risk riss rkkf rkss rrfc rrif rrrr rscc rscs rsee rsfc rsis rsre s-ic s-ii sccc scce sccs scec scee scer scfc scfe scfi sci- scic scie scif scir scis sck- scr- scrc scre scri scrs scsc scsi scsr se-c se-e se-f se-i se-k se-s sec- secc sece seck secr secs seec seef seek seer sees seff sefi seie seif seii seik seir seis seke seki sekk serc sere serf seri serk serr sers sesc sese sesi sess sfcc sfcs sfer sffc sfrc sfss sicc sice sici sick sics siec sief siek sier sies sife siff sifr siik sike siki sikr siks sirc sire sirf siri sirk sirr sirs sisc sise sisi sisk siss skee skei sker skes skfc skic skie skif skik skir skis skss srcc srec sres srfc srfi sris sscc ssce ssci sscs ssec ssee sses ssfc ssis ssrc ssri ssrs sssc sssf sssi ssss