-ic c-- ccc cci cck ccr cct ci- cic cii cik cir cit ckc cki ckt cky crc cri crk crr crt cry ctc cti ctk ctr ctt cty cyc cyk cyr cyt icc ici ick icr ict icy iic iii iir iit ikc iki ikk ikr ikt ir- irc iri irk irr irt iry itc iti itk itt ity iyc iyr iyt iyy k-t kcc kci kck kcr kct kic kii kik kir kit kkc kki kkk kkr kkt kky krc kri krk krr krt kry ktc ktk ktr ktt kyc kyr kyt rcc rci rcr rct ric rii rik rir rit riy rkc rkk rkt rky rrc rri rrk rrr rrt rtc rti rtk rtr rtt rty ry- ryc ryk ryr ryy tcc tci tck tcr tct tic tii tik tir tit tiy tkc tkk tkr tkt tky trc tri trk trr trt try ttc tti ttk ttr ttt tty tyc tyr tyt ycc yci ycy yii yir yit yki ykk yrc yrt ytc ytk ytr ytt yyc yyt yyy