cccc cccf ccci cccs ccee ccfc ccff ccfi ccic ccii ccir ccis cciw cckw 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 cewe cfcf cfcs cfcw cffr cfre cfrw cfse cfsi cfwc 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 ciws ciww ckck ckcs ckcw cker ckfi ckfr ckrc ckrw cksw ckwr ckws ckww crcc crce crcr cre- crec cree crei cres crew 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 cswk csws cwer cwfc cwis cwrw cwsf 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 ekwe ercc erce erec erei erer eres erew erfc erfs eric erie erik eris erke erki erks errc erre errs erse ersi erws esce esci escr escs esee esek eser eses esfs esie esik esis eske esks esri esse essi eswc esws ewer ewes ewew ewre 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 fewe 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 frew frfc fric frie frik fris frsc fscc fsck fsec fsfi fssc fssf fwcc fwfc fwiw fwse iccc iccf icci iccr iccs icec icee icef icer ices icew icis icke icks icrc icre icrf icrr icrs icrw icsc icse icsi icsr icss icws iecc ieie iere ieri iers iesc iesi iesr ifer ifes ific ifis ifrf ifri ifsc ifwe iies iiie iiii iiis iirc iirs iisc iisi iisr iiwi 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 iswc iwcc iwce iwie iwis iwiw 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 kcrw kcsc kcse kcsf kcsi kcsr kcss kcwc kcwe kcwf kcwk kcwr 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 kesw kewe kewf kewr kews kfcf kfcr kfcs kfcw kfer kfff kffk kfir kfis kfrc kfre kfri kfrr kfrs kfrw kfse kfsi kfsk kfsr kfsw kfwr kicc kice kick kicr kics kicw kief kier kies kiew kife kiff kifr kifs kifw kiic kiii kiik kiis kikc kikf kiki kikk kikr kirc kirf kiri kirk kirr kirs kisc kise kisf kisi kisk kisr kiss kisw kiwi kiwr kkci kkck kkcr kkcs kkcw kkfi kkfr kkfs kkic kkik kkkk kkrc kkre kkrf kkrk kkrr kkrs kkse kksf kksi kksr kkss kksw kkwe kkwf kkwk kkws krcc krce krci krcs krcw krec kree kref krei krek kres krew krfc krfe krff krfs krik kris krkc krke krki krkk krkr krks krkw krrc krre krrf krri krrk krrr krrs krrw krsc krse krsf krsk krsr krss krsw krwc krwk krwr ksce ksci ksck kscr kscs ksec ksee ksei ksek kser ksew ksfc ksfe ksfi ksfr ksif ksii ksik ksir ksis ksiw kske kskf kskk kskr ksks ksrf ksrr ksrs ksrw ksse kssi kssr ksss kswc kswf kswi ksws ksww kwck kwcr kwee kwei kwes kwfc kwfr kwfs kwic kwie kwik kwkc kwkk kwkr kwkw kwre kwrf kwri kwrk kwrr kwrs kwrw kwsc kwsk kwss kwsw kwwf kwwk kwwr kwws 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 rewe rews rfef rffc rfic ricc rice rick rics rief riek rier ries riew 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 rwcs rwik s-ic s-ii sccc scce sccs scec scee scer scew scfc scfe scfi sci- scic scie scif scir scis sck- scr- scrc scre scri scrs scsc scsi scsr scwe se-c se-e se-f se-i se-k se-s se-w sec- secc sece seck secr secs seec seef seek seer sees seew seff sefi seie seif seii seik seir seis seke seki sekk serc sere serf seri serk serr sers sesc sese sesi sess sewe sewr sews sfcc sfcs sfcw sfer sffc sfrc sfss sicc sice sici sick sics siec sief siek sier sies siew sife siff sifr siik sike siki sikr siks sirc sire sirf siri sirk sirr sirs sisc sise sisi sisk siss siwe siwi skee skei sker skes skew skfc skic skie skif skik skir skis skss skwe skws srcc srec sres srfc srfi sris sscc ssce ssci sscs ssec ssee sses ssfc ssis ssrc ssri ssrs sssc sssf sssi ssss ssws swcc swee swer swfc swic swie swir swis swre swss wccc wcce wccf wcci wcck wccr wccs wccw wcec wcee wcef wcer wcfc wcfi wcfr wcfs wcfw wcic wcie wcif wcii wcik wcir wcis wckf wcki wckk wckr wcks wckw wcrc wcre wcri wcrk wcrr wcrs wcrw wcsc wcsf wcsi wcsk wcsr wcss wcsw wcwc wcwf wcwi wecc wecf weci weck wecr wecs wecw weec weef weei week weer wees wefc wefe weff wefi wefr wefs weic weie weif weii weik weir