cccc cccf ccci cccs ccfc ccff ccfi ccic ccii ccir ccis ccoc ccrc ccrf ccri ccrs ccrt ccsf ccsi ccss ccst cctc cctt cfcf cfco cfcs cffr cfit cfor cfos cfrt cfsi cftc cftk cftr cicc cici cico cicr cics cict ciff cifs ciii ciis ciit ciko cikr cior cios circ ciri cirk ciro cirr cirs cirt cis- cisc cisk cisr ciss cist citf citi cito cits citt ckck ckco ckcs ckfi ckfr ckoc ckoi ckoo ckor ckos ckot ckrc ckso ckst ckts cock coco coct cofc coff cofi cofs coft coif coir cois coit cok- coko coof cook coos coot cor- corc corf cori cork coro corr cors cort cosc cosi coso coss cost cotc coti coto cots cott crcc crcr crfc crfs cric crif crik cris crit crkc croc crok croo cror crot crrt crss crst crtc crtf crts cscc cscf csci csco cscr cscs csfc csfr csik csio csir csis csit csks csor csos csot csrc csrs cssr cstc csto cstr csts ctcf ctfc ctfo ctfs ctic ctor ctos ctot ctrc ctrs ctsc ctss ctts f--k fccf fcic fcii fcot fcsc fcst fcto ffcc ffff ffii ffrr ffss fftf ficc fick fico fics fict fifc fiff fifi fifo fift fiii fiki fior fios firk firs fisc fisi fisk fiss fist fitc fiti fits fitt foci fock foco focs fofo fois foki foof fook foos foot for- fori fork foro forr fors fort fosi foso foss fost foti foto fots fott frcc frfc fric frik frio fris frit fros frot frsc frso frst fscc fsck fsfi fsfo fssc fssf ft-c ftfc ftii ftos ftrs ftsr iccc iccf icci icco iccr iccs icct icis icks icoc icor icos icrc icrf icrr icrs icrt icsc icsi icsr icss icst icts ifco ific ifis ifit ifor ifrf ifri ifsc ifso ifto iiii iiio iiis iiit iioi iioo iios iirc iirs iisc iisi iisr iist iitr iitt ikki ikko ikoo ikri ioci iofc ioii ioio ioit ioko ioof iooi iooo ioos iori iors ioso iotf ioto ircc ircs iri- iric irio iris irki irks iroc irrc irri irrs irsf irtf irti irts iscc isci isco iscr iscs isct isfc isic isis isit iskf isko iso- isoc isof isok isor isos isri issc issf issi isso issr isss istc isti isto istr ists itcs itic itif itis itko itof itoi itoo itor itos itrf itri itrs itsf itsi itso ittf itto k-ci k-os kccc kcci kcck kccr kcct kcfc kcfi kcfo kcft kcic kcif kcii kcir kcis kcit kckc kckf kckk kcko kckr kcof kcor kcos kcot kcrc kcri kcro kcrr kcrs kcrt kcsc kcsf kcsi kcsr kcss kcst kctc kcti kcto kfcf kfco kfcr kfcs kfff kffk kfio kfir kfis kfit kfok kfoo kfor kfrc kfri kfro kfrr kfrs kfsi kfsk kfsr kfst kftc kfti kftk kftt kicc kick kicr kics kict kiff kifr kifs kift kiic kiii kiik kiis kiit kikc kikf kiki kikk kiko kikr kikt kioc kioi kiok kioo kiot kirc kirf kiri kirk kiro kirr kirs kirt kisc kisf kisi kisk kiso kisr kiss kist kitc kiti kito kitr kits kitt kkci kkck kkco kkcr kkcs kkct kkfi kkfr kkfs kkft kkic kkik kkit kkkk kkoo kkor kkot kkrc kkrf kkrk kkro kkrr kkrs kkrt kksf kksi kksr kkss kkst kktc kktk kkts kocf koci kock kocs koct kofc koff kofi kofk kofo koft koii koir koit kokc kokf koki kokk koko kokr koks kooc kooi kook kooo koor koos koot korc korf kori kork koro korr kors kort kos- kosc kosf kosi koso kosr koss kost kotc koti kotk koto kotr kots kott krcc krci krco krcs krfc krff krfo krfs krft krik krio kris krit krkc krki krkk krko krkr krks kroc krof kroi krok kroo kror kros krrc krrf krri krrk krro krrr krrs krrt krsc krsf krsk krsr krss krst krtc krti krtk krto krtr krts ksci ksck ksco kscr kscs ksfc ksfi ksfo ksfr ksft ksif ksii ksik ksir ksis ksit kskf kskk ksko kskr ksks ksoc ksof ksoi ksok ksoo ksor ksos ksrf ksro ksrr ksrs ksrt kssi ksso kssr ksss ksst kstc ksti kstk ksto kstr ksts kstt ktcc ktck ktco ktcr ktcs ktfc ktfi ktfo ktfs ktic ktik ktis ktkc ktkk ktko ktkr ktks ktkt ktoc ktok ktoo ktor ktot ktrc ktrf ktri ktrk ktro ktrr ktrs ktrt ktsc ktsf ktso ktsr ktst kttc kttf ktti kttk ktto kttr ktts kttt occc occi occt ocis ocks ocos ocro ocrr ocrs oct- octi octo octs ofcr off- offc offo offr offs ofik ofit ofor ofst oici oick oiii oiko oiks oios oirt oisc oist oitc oiti okic okir okko okok okor okot okro oksi okso okto oocr ooff oofs oooo ooos oort oosi oost oots orci orco orcs orff orfi orfs ori- oric orif orio oris orit orko oro- orof orok oror oros orot orri orro orrs orsi orsk orso ortc orto orts oscc osci osco osii osik osis oski osoi osoo osor osos osro ossi osso ostc osti ostr osts otfc otic otif otis otit oto- otof otok otoo otor otos otro otrs otso otti otto otts rccc rccs rcfc rcic rcis rcos rcsc rcsi rcss rctc rcti rcts rffc rfic rftc ricc rick rico rics rict riff rifs rift riif riis riki rikk rios riot riri rirs risc risi risk riso riss rist riti rito rits ritt rkkf rkos rkss rkts rocc rock roco rocs rofc roff rofo roif roik roio roir rois roit roki rokk roko rokr roks roof rooi rook roor roos root rorc rori rork roro rort rosc rosi roso ross rost rotc roti rotk roto rotr rots rott rrfc rrif rrrr rscc rscs rsfc rsis rsos rsts rtcc rtfc rtss rtts s-ic s-ii s-os sccc sccs scct scfc scfi sci- scic scif scio scir scis scit sck- scok scoo scor scot scr- scrc scri scrs scsc scsi scso scsr scst sctc scto sctr scts sfcc sfco sfcs sffc sfio sfor sfos sfrc sfro sfss sfts sicc sici sick sico sics siff sifo sifr sift siik