c-- ccc ccf cck cco ccr ccu cfc cff cfk cfo cfr cfu ckc cko cky co- coc cof cok coo cor cou coy crc crf crk cro crr cru cry cuc cuf cuk cuo cur cuu cuy cyc cyf cyk cyo cyr fcc fcf fck fco fcr fcu fcy ffc fff ffk ffo ffr ffu ffy fkc fkf fkk foc fof fok foo for fou foy frc frf frk fro frr fru fry fuf fuk fuo fur fuu fy- fyc fyk fyo kcc kck kcr kcu kfc kff kfo kfu kkc kkk kkr kku kky koc kof kok koo kor kou koy krc krf krk kro krr kru kry kuc kuk kur kuu kuy kyc kyo kyr kyu oc- occ ocf ock oco ocr ocu of- ofc off ofo ofr ofu okc okk oko okr oku oo- ooc oof ook ooo oor or- orc orf ork oro orr oru ory ou- ouc ouf ouk ouo our oyo rcc rcf rco rcr rcu rfc rff rfk rfo rfr rfu rkc rkf rkk rko rku rky roc rof rok roo ror rou roy rrc rrf rrk rrr rru ruc ruf ruk ruo rur ruu ruy ry- ryc ryf ryk ryo ryr ryu ryy ucc ucf uck uco ucr ucu ufc uff ufo ufr ufu ukc ukf ukk ukr uku uoc uok uoo uor ur- urc urf urk uro urr uru ury uuc uur uuu uyc uyo uyu ycc ycf yco ycu ycy yfc yff yfr yfu ykk yoc yof yok yoo yor you yoy yrc yrf yro yru yuk yuo yur yuu yuy yyc yyf yyu yyy

cccc cccf cccu ccfc ccff ccoc ccrc ccrf ccuc cfcf cfco cfcy cffr cfor cfry cfyk ckck ckco ckcy ckfr ckoc ckoo ckor ckoy ckrc ckry cock coco cocu cofc coff cok- coko coky coof cook cor- corc corf cork coro corr cory couk cour couy coyf coyo coyr crcc crcr crfc crkc croc crok croo cror croy cruk cry- cryo cucc cuck cufc cuff cufo cuk- curf curo curr cury cuy- cuyo cuyr cyc- cycc cyrk cyy- cyyc f--k fccf fcuk ffcc ffff ffrr fock foco fofo foof fook for- fork foro forr four frcc frfc frou fuc- fuck fufc fuff fufu fukk fuko fuku fuor fur- furo furr fury fuyu fyrk fyry kccc kcck kccr kccu kccy kcfc kcfo kcfy kckc kckf kckk kcko kckr kcky kcof kcor kcou kcrc kcro kcrr kcru kcry kcuf kcuk kcyk kcyy kfcf kfco kfcr kfcy kfff kffk kfok kfoo kfor kfoy kfrc kfro kfrr kfru kfry kfuo kfyo kfyr kkck kkco kkcr kkcy kkfr kkkk kkoo kkor kkoy kkrc kkrf kkrk kkro kkrr kkuu kkyc kkyy kocf kock kofc koff kofk kofo kofu kofy kokc kokf kokk koko kokr koku koky kooc kook kooo koor koou korc korf kork koro korr koru kour kouu koyf koyo koyy krcc krco krcu krfc krff krfo krkc krkk krko krkr krku krky kroc krof krok kroo kror kroy krrc krrf krrk krro krrr krry kruc kruf kruk krur kryk kryo kryy kucc kuco kucr kufc kuff kufo kufr kukk kuku kuky kuok kuoo kurk kuro kurr kuru kury kuuk kuur kuuu kuyo kuyu kuyy kycc kyck kycr kyfr kykc kykk kykr kyky kyok kyoo kyor kyoy kyrc kyrf kyrk kyro kyuk kyur kyuu kyyk kyyo kyyy occc ocro ocrr ocur ofcr off- offc offo offr offu offy ofor okcu okko okok okor okro okur okyo oocr ooff oofy ooku ooky oooo oory orco orff orfu orko oro- orof orok oror oroy orro orry oucc oufc ouff our- ouro ouu- ouyr oyou rccc rcfc rcyc rffc rkkf rocc rock roco rofc roff rofo rokk roko rokr roku roky roof rook roor rorc rork roro roru rory rouf rouk rouy rrfc rrrr ruck rufc ruff rufo rukk ruku ruok ruoy rurc ruro ruru ryck ryff ryuk ryyf ucky ucrc ufcu ufuk ukcc ukko ukky ukok ukrc ukur ukyo uocc uofo uor- urcy urff uro- urok uroo urry uruk urur uuoc uuuu yccc ykko yock yoff yoko yoky yoof yook york yoro yory youf youk your yoyo yrof yuck yuff yufu yuko yuku yuky yury yuyu yyff yyyy

c-cor ccccc ccoyo cfour co-co cocc- cocco cocky cocur cocuy coffy cofur cofyr cokk- cooky corcy corfo corfu corky coro- corry cory- couco coucy couru coury crock croco crocy crook crouk crouy cruck cruor cryo- cryof cucuk cucuy cuffy cukor cuoco curro curry cykyr foofy forcy forky forro forur fouro frock frory froyo fruko fu-fu fucko fuco- fuffy fuoco furo- furor furry furyo ko-ko kokko kokor kokou kokry kokur kokyu kooky kooru korck korff korku koror korro korry koruk koryo koufu koury koyuk krock krufc kryo- kryry kucuk kucyk kukko kukok kukur kuoyu kurku kuruc kuruk kuryk kyofu kyoko occoy occur ockro offof offoy ofour ofyou okkur okoc okoro okoyo okuku okuru ooooo orfor oroco oruku oruro oryou ouoro oyoko oyoor oyrur r-co- ro-ro rocco rocko rocky rocor rocou rofor rokkk rokky roofy rooky roucy rouko rouky royko royoc rucky ruffo ruffy rufo- ryoko ryuko u-roy ufofu uoyro urour urucu uryu uryuu uuork uuuuu y-o-u yo-yo yokoo yokou yooff yorck yorro youff youku youok yucky yukky yukou yuory yurok yuruk

cocco- coccy- cococo coffoy coocoo cookoo cooyoo corour corroy coruco coruro couffy courcy courr- courry crocco crocky cruro- cruyff cryfor cryoff cuckoo cucuyo curfur curour curror cururo cykory foofoo foofur forfry foryou foufou fourcc fourof fourou froofy frucor fukuro furfur furour furrfu fuyuko k-rock kockoy koffry kofuku kok-oy kokofu kokoku kokoro kokory kokufu kookoo kookyo korkor kororo koruru koryu kouffo koukou kouoro kourou kukoc kuo-fu kurkcu kuroko kururu occour ofyork ookroo oooooo ororry orrock orrour orrouy rockof rococo rocroy rokkor rokuko rokuro roucou rouffy ruocco rykoff ryukyu ryuo yoroko yoyoyo

cocoyoc cooccur cookoff corrour cou-cou currock foo-foo fou-fou frycook fuckoff fuckyou fukuryu furrour kokocko kokorou kokuryu kor-kor korkoro korucuk koyukuk koyyuru kuffour kyrykyy off-off okrouyo rockyou rococco rokyoku royyuru yor-yor yourock

co-occur cocoroco cook-off corocoro cucurucu curucucu fourcroy froufrou fuck-off kukukuku kukuruku kurukuru kyoroku rockfour rokkurro yokyoku

courcoury couroucou crycrycry four-four frou-frou koukourou