cccc ccci cccp ccic ccii ccip ccir ccpp ccpr ccrc ccri ccrp cicc cici cicr ciii cikr cipp circ ciri cirk cirr ckck ckpc ckpr ckrc cpic cpri crcc crcr cric crik crip crkc crkp crpc iccc icci iccp iccr icpc icrc icrr iiii iirc ikki ikri ipcc ippc ippr ipri ircc iri- iric irip irki irpc irrc irri k-ci kccc kcci kcck kccr kcic kcii kcir kckc kckk kckr kcpc kcpi kcpr kcrc kcri kcrp kcrr kicc kick kicp kicr kiic kiii kiik kiip kikc kiki kikk kikr kip- kipi kipp kipr kirc kiri kirk kirp kirr kkci kkck kkcr kkic kkik kkkk kkpc kkpk kkrc kkrk kkrr kpcc kpcr kpir kpkk kpkr kppc kppk kppp kppr kprc kpri kprk kprp kprr krcc krci krik krkc krki krkk krkr krpi krpr krrc krri krrk krrr pccc pcip pcpp pcrc picc pici pick picr piip piki pikk pipi pipp pirc piri pirk pirr ppcc ppci ppic pppp pprc prcc prcp pri- prii prri rccc rcic rcpi ricc rick riki rikk ripi ripp ripr riri rpii rrrr