-ic c-- ccc cci ccp ccr cct ci- cic cii cip cir cit cpc cpi cpp cpr cpt crc cri crp crr crt cry ctc cti ctp ctr ctt cty cyc cyp cyr cyt icc ici icp icr ict icy iic iii iip iir iit ipc ipi ipp ipr ipt ipy ir- irc iri irp irr irt iry itc iti itp itt ity iyc iyr iyt iyy p-p pcc pci pcp pcr pct pic pii pip pir pit ppc ppi ppp ppr ppt prc pri prp prr prt pry pt- ptc pti ptp ptr ptt pty py- pyc pyr pyt rcc rci rcp rcr rct ric rii rip rir rit riy rpc rpi rpp rpr rpt rrc rri rrp rrr rrt rtc rti rtp rtr rtt rty ry- ryc ryr ryy tcc tci tcp tcr tct tic tii tip tir tit tiy tpc tpi tpp tpr tpt trc tri trp trr trt try ttc tti ttp ttr ttt tty tyc typ tyr tyt ycc yci ycp ycy yii yip yir yit yrc yrp yrt ytc ytp ytr ytt yyc yyt yyy