cccc ccci ccic ccii ccir ccrc ccri cicc cici cicr ciii cikr circ ciri cirk cirr ckck ckrc crcc crcr crcz cric crik crkc iccc icci iccr icrc icrr iiii iirc ikki ikri ircc iri- iric irki irrc irri izki k-ci kccc kcci kcck kccr kcic kcii kcir kckc kckk kckr kckz kcrc kcri kcrr kcrz kczz kicc kick kicr kiic kiii kiik kikc kiki kikk kikr kikz kirc kiri kirk kirr kizz kkci kkck kkcr kkic kkik kkkk kkrc kkrk kkrr kkrz kkzz krcc krci krik kriz krkc krki krkk krkr krkz krrc krri krrk krrr krrz krzi krzk krzr krzz kzcr kziz kzkr kzkz kzrc kzrk kzrr kzrz kzzi kzzk kzzr kzzz rccc rcic ricc rick riki rikk riri rizi rizk rizz rrrr zick ziki zikr zirc ziri zizi zizz zzzz