cccc ccci ccic ccii ccir ccoc ccrc ccri cicc cici cico cicr ciii ciko cikr cior circ ciri cirk ciro cirr ckck ckco ckcy ckoc ckoi ckoo ckor ckoy ckrc ckry cock coco coir cok- coko coky cook cor- corc cori cork coro corr cory coyo coyr cozi cozy cozz crcc crcr crcz cric crik crkc croc crok croo cror croy croz cry- cryo cryz cyc- cycc cyrk cyy- cyyc czyz iccc icci icco iccr icky icoc icor icrc icrr icry iiii iiio iioi iioo iirc ikki ikko ikky ikoo ikri ioci ioii ioio ioko iooi iooo iori ircc iri- iric irio iriy irki iroc irrc irri izki izzo izzy k-ci kccc kcci kcck kccr kccy kcic kcii kcir kckc kckk kcko kckr kcky kckz kcor kcoz kcrc kcri kcro kcrr kcry kcrz kcyk kcyy kcyz kczo kczz kicc kick kicr kicy kiic kiii kiik kikc kiki kikk kiko kikr kikz kioc kioi kiok kioo kioz kirc kiri kirk kiro kirr kiyi kiyk kizz kkci kkck kkco kkcr kkcy kkic kkik kkkk kkoo kkor kkoy kkoz kkrc kkrk kkro kkrr kkrz kkyc kkyy kkyz kkzy kkzz koci kock koii koir kokc koki kokk koko kokr koky kokz kooc kooi kook kooo koor kooz korc kori kork koro korr koyo koyy kozi kozk kozo kozr kozy krcc krci krco krik krio kriz krkc krki krkk krko krkr krky krkz kroc kroi krok kroo kror kroy kroz krrc krri krrk krro krrr krry krrz kryk kryo kryy krzi krzk krzr krzy krzz kycc kyck kycr kyiz kykc kykk kykr kyky kykz kyok kyoo kyor kyoy kyrc kyrk kyro kyyi kyyk kyyo kyyy kyyz kyzk kyzz kzcr kzio kziz kzkr kzky kzkz kzoi kzoo kzor kzoy kzoz kzrc kzrk kzro kzrr kzrz kzyr kzzi kzzk kzzo kzzr kzzy kzzz occc occi ocro ocrr oici oick oiii oiko oiry okic okir okko okok okor okro okyo oocr ooky oooo oory oozi oozy orci orco ori- oric orio orko oro- orok oror oroy oroz orri orro orry orzk orzo oyri ozzy rccc rcic rcyc ricc rick rico riki rikk rioz riri riyo rizi rizk rizz rocc rock roco roik roio roir roiz roki rokk roko rokr roky rooi rook roor rooz rorc rori rork roro rory rozi rozz rrrr ryck ryki yccc yirk yirr ykko yock yoik yoki yoko yoky yook yooz yori york yoro yory yoyo yozo yyyy z-ro zick zico ziki zikr zirc ziri ziro ziyi zizi zizz zoco zoic zoio zoo- zook zorc zori zork zoro zory zozo zyyi zzzz