cccc ccci ccic ccii ccir ccrc ccri cicc cici cicr ciii cikr circ ciri cirk cirr ckck ckcy ckrc ckry crcc crcr cric crik crkc cry- cyc- cycc cyrk cyy- cyyc iccc icci iccr icky icrc icrr icry iiii iirc ikki ikky ikri ircc iri- iric iriy irki irrc irri k-ci kccc kcci kcck kccr kccy kcic kcii kcir kckc kckk kckr kcky kcrc kcri kcrr kcry kcyk kcyy kicc kick kicr kicy kiic kiii kiik kikc kiki kikk kikr kirc kiri kirk kirr kiyi kiyk kkci kkck kkcr kkcy kkic kkik kkkk kkrc kkrk kkrr kkyc kkyy krcc krci krik krkc krki krkk krkr krky krrc krri krrk krrr krry kryk kryy kycc kyck kycr kykc kykk kykr kyky kyrc kyrk kyyi kyyk kyyy rccc rcic rcyc ricc rick riki rikk riri rrrr ryck ryki yccc yirk yirr yyyy