cccc cccp cccu ccnc ccnp ccnr ccnu ccny ccoc ccpn ccpp ccpr ccrc ccrp ccuc ccup ckck ckco ckcy cknc ckoc ckoo ckor ckoy ckpc ckpr ckrc ckry cnco cncp cnrc cnrr cock coco cocp cocu cok- coko coky con- conc conk conn cono cony cook coon coop copo copp copr copy cor- corc cork corn coro corp corr cory couk coun coup cour couy coyn coyo coyr cpcu crcc crcr crkc crkp croc crok cron croo crop cror croy crpc cruk crun crup cry- cryn cryo cucc cuck cucn cuk- cuno cunp cuny cuon cupo cupp cupr curn curo curr cury cuy- cuyo cuyp cuyr cyc- cycc cyn- cyno cyon cypc cyrk cyun cyy- cyyc cyyn kccc kcck kccr kccu kccy kckc kckk kckn kcko kckr kcky kcno kcnp kcnr kcny kcon kcor kcou kcpc kcpn kcpo kcpr kcpu kcrc kcrn kcro kcrp kcrr kcru kcry kcuk kcup kcyk kcyn kcyy kkck kkcn kkco kkcr kkcy kkkk kknn kkno kknu kkon kkoo kkor kkoy kkpc kkpk kkpn kkrc kkrk kkrn kkro kkrr kkup kkuu kkyc kkyy knck kncn knco kncr kncu kncy knkk knnk knnr knoc knok knon knop knor knou knpc knpr knrk knro knry knuk knur knyk knyn knyr kock kocn kocp kokc kokk kokn koko kokp kokr koku koky konc konk kono konp kony kooc kook koon kooo koop koor koou kopn kopp kopr kopu kopy korc kork korn koro korr koru kour kouu koyn koyo koyy kpcc kpcr kpkk kpkr kpky kpnc kpno kpnp kpny kpoc kpok kpoo kpop kpou kpoy kppc kppk kppo kppp kppr kprc kprk kprn kpro kprp kprr kpru kpur kpyk kpyn kpyr krcc krcn krco krcu krkc krkk krkn krko krkr krku krky krnk krnn krno krnp krnu krny kroc krok kroo krop kror kroy krpr krpu krrc krrk krrn krro krrr krry kruc kruk krun krup krur kryk kryn kryo kryp kryy kucc kuco kucp kucr kukk kukn kuku kuky kunc kunk kuno kunp kunr kunu kuny kuok kuon kuoo kuop kupr kupu kurk kuro kurr kuru kury kuuk kuur kuuu kuyn kuyo kuyu kuyy kycc kyck kycn kycr kykc kykk kykn kykr kyky kyno kynr kynu kyok kyon kyoo kyor kyoy kyp- kypc kypr kyrc kyrk kyrn kyro kyuk kyun kyur kyuu kyyk kyyo kyyy n-up nccc nccn nccp nccr nccu ncnc ncoc ncor ncpc ncrc ncrp ncuk nkok nkor nnnn nnpr nock noco noko non- nonn nono nonu noo- nook noon nooo noop noor nor- norc nork norn noro norr nory noun noup nour noyo npcc nppc nroc nron nrpc nrpn nrrc nuck nucu nuku nunc nunk nunn nuno nuny nuoc nuon nurc nurn nurp nurr nuru nuuk nycc nyco nycy nyko nyny nyon nypc nyro nyuk occc occn ocon ocpp ocro ocrr ocur okcu okko okno okny okok okon okor okpo okro okun okur okyo onc- onco onkp onno onon onor onoy onpu onup onur oocr ooku ooky oooo oory opo- opon opor oppo oppy opry orco orko ornc orno orny oro- orok oron oror oroy orpc orro orry orup oucc oun- our- ourn ouro ouu- ouyr oyon oyou oyun pccc pcpn pcpp pcrc pcun pnkp pnon pnpo pnpp pnro pnup pock poco poko poku poky ponc ponk pono ponp pony pook poon poop poor pop- popc popo popp popy porc pork porn poro porr pory pouk poun poup pour pouy poyn poyo poyr ppcc pppn pppo pppp pprc ppru ppur prcc prcp prky prnp pro- proc pron proo prop prou pruu pryk puck puku puky punc punk puno punu puny puoy pupu pupy pur- puro purp purr puru pury puuc puy- puyo pyck pykk pyn- pyo- pyon pypy pyr- pyrk pyro pyry rccc rcnr rcon rcpo rcyc rnco rncp rocc rock roco rokk roko rokr roku roky ronc ronk rono rony rook roon roop roor ropo ropy rorc rork roro roru rory rouk roun roup rouy royn rpon rppn rpyc rrrr rrun ruck rukk rukn ruku runc runk runn runo runy ruok ruoy rupp rupy rurc ruro rurp ruru ruun ryck rynn ryon ryuk ryun u-rp uccp ucky ucon ucrc ukcc ukko ukky uknc ukok ukon ukrc ukup ukur ukyo uncc unco uncp unkn unko unky unno unon unop unpc unro unyk uocc uor- upnp upon upor uppc uppp uppu uppy upup urcy uro- urok uroo urpo urry uruk urun urup urur uryn uucp uuno uuoc uuuu uuyn yccc ykko ynon ynou yock yoko yoky yonk yono yook yoon yoop yopo yopy york yorn yoro yory youk youp your yoyn yoyo ypcc yron yrun yryn yuck yuko yuku yuky yuny yuon yurn yury yuyu yyyy