c-cd cccc ccci ccdc ccdi ccdr ccic ccid ccii ccir ccoc ccod ccrc ccri cd-r cddr cdic cdii cdio cicc cici cico cicr cidc cidi cidr ciid ciii ciko cikr cior circ ciri cirk ciro cirr ckck ckco ckcy ckdo ckoc ckoi ckoo ckor ckoy ckrc ckrd ckry cock coco codd codi cody coir cok- coko coky cood cook cor- corc cord cori cork coro corr cory coyo coyr crcc crcr crdc cric crik crkc croc crod crok croo cror croy cry- cryo cyc- cycc cyrk cyy- cyyc dc-y dccc dcci dcii dcio dcrk dddd ddoc ddrc ddry dici dick dico dicy didi dido didy diii diki diko dioc dior dird dirk dirr diyi dkdc dkid doci dock doco dod- dodd dodi dodo dody doid doki doko doky dood dook door dorc dord dori dork doro dorr dory doyk doyo dric drod droy dry- dycd dyck dydd dyio dyko dykr dyo- dyok dyoo dyor dyr- dyrc dyri dyrk dyro dyyr iccc icci icco iccr icdc icdd icky icoc icod icor icrc icrr icry idcr iddo idic idid idio idir idoc idrc idro iicd iiii iiio iioi iioo iirc ikid ikki ikko ikky ikoo ikri ioci iod- iodd iodo ioii ioio ioko iooi iooo iori ircc ircd irdc irdo iri- iric irid irio iriy irki iroc irod irrc irri k-ci k-id kccc kccd kcci kcck kccr kccy kcdc kcdd kcdi kcdr kcdy kcic kcid kcii kcir kckc kckk kcko kckr kcky kcor kcrc kcri kcro kcrr kcry kcyk kcyy kdcc kdcd kdco kdcr kddc kddd kddi kddk kddr kdic kdio kdkd kdkk kdko kdkr kdoc kdok kdri kdro kdry kdyk kicc kicd kick kicr kicy kidd kidi kidk kido kidr kidy kiic kiid kiii kiik kikc kikd kiki kikk kiko kikr kioc kiod kioi kiok kioo kirc kiri kirk kiro kirr kiyi kiyk kkcd kkci kkck kkco kkcr kkcy kkdc kkdd kkdo kkdy kkic kkid kkik kkkk kkoo kkor kkoy kkrc kkrk kkro kkrr kkyc kkyy kocd koci kock kodi kodk kodo kody koii koir kokc koki kokk koko kokr koky kooc kooi kook kooo koor korc kord kori kork koro korr koyo koyy krcc krcd krci krco krdc krdd krdo krdr krdy krid krik krio krkc krkd krki krkk krko krkr krky kroc krod kroi krok kroo kror kroy krrc krri krrk krro krrr krry kryd kryk kryo kryy kycc kyck kycr kydd kydo kydy kykc kykd kykk kykr kyky kyok kyoo kyor kyoy kyrc kyrk kyro kyyi kyyk kyyo kyyy occc occi ocro ocrr odci oddd oddi oddy odic odio odir odoo odor odry odyr oici oick oido oiii oiko oiry okic okir okko okok okor okro okyo oocr oodi ooid ooky oooo oord oory orci orco ordo ori- oric orid orio orko oro- orok oror oroy orri orro orry oyri rccc rcdc rcic rcid rcrd rcyc rdio rdoc ricc rick rico ridc ridd ridi rido riki rikk riri riyo rocc rock roco rodd rodi rodo rody roid roik roio roir roki rokk roko rokr roky rood rooi rook roor rorc rori rork roro rory royd rrrr ryck rydy ryki yccc yidi yird yirk yirr ykid ykko yock yodo yoik yoki yoko yoky yood yook yord yori york yoro yory yoyo yyyy