cccc ccci ccic ccii ccir ccrc ccri ccrt cctc cctt cicc cici cicr cict ciii ciit cikr circ ciri cirk cirr cirt citi citt city ckck ckcy ckrc ckry ckty crcc crcr cric crik crit crkc crrt crtc cry- ctic ctrc cyc- cycc cyrk cyrt cyt- cyy- cyyc iccc icci iccr icct icky icrc icrr icrt icry iiii iiit iirc iitr iitt ikki ikky ikri ircc iri- iric iriy irki irrc irri irti itic itri itry itty k-ci kccc kcci kcck kccr kcct kccy kcic kcii kcir kcit kckc kckk kckr kcky kcrc kcri kcrr kcrt kcry kctc kcti kcty kcyk kcyt kcyy kicc kick kicr kict kicy kiic kiii kiik kiit kikc kiki kikk kikr kikt kirc kiri kirk kirr kirt kitc kiti kitr kitt kity kiyi kiyk kkci kkck kkcr kkct kkcy kkic kkik kkit kkkk kkrc kkrk kkrr kkrt kktc kktk kkty kkyc kkyy krcc krci krik krit krkc krki krkk krkr krky krrc krri krrk krrr krrt krry krtc krti krtk krtr krty kryk kryy ktcc ktck ktcr ktcy ktic ktik ktkc ktkk ktkr ktkt ktrc ktri ktrk ktrr ktrt ktry kttc ktti kttk kttr kttt ktty ktyr kycc kyck kycr kyct kykc kykk kykr kyky kyrc kyrk kytc kyti kytt kyty kyyi kyyk kyyt kyyy rccc rcic rctc rcti rcyc ricc rick rict riki rikk riri riti ritt rrrr rtcc ryck ryki rytt ryyt tccc tctc ticc tick tiit tiki tiky tiri tirr tiry titc titi titt tiyi trcc tri- tric trik trit trtc trtr try- tttt tyck tyik tyir tyr- tyrr tyti tytt tyty yccc yctc yirk yirr yiti ykyt ytky yyyy