-th c-- ccc cch ccp ccr cct ch- chc chh chp chr cht chy cpc cph cpp cpr cpt crc crh crp crr crt cry ctc cth ctp ctr ctt cty cyc cyp cyr cyt hcc hch hcp hcr hct hcy hhc hhh hhp hhr hht hhy hpc hph hpp hpr hpt hpy hr- hrc hrh hrp hrr hrt htc hth htp htr htt hty hy- hyc hyh hyp hyr hyt hyy p-p pcc pch pcp pcr pct phc php phr pht phy ppc pph ppp ppr ppt prc prh prp prr prt pry pt- ptc pth ptp ptr ptt pty py- pyc pyr pyt rcc rch rcp rcr rct rh- rhc rhh rhp rhr rht rpc rph rpp rpr rpt rrc rrh rrp rrr rrt rtc rtp rtr rtt rty ry- ryc ryr ryy tcc tch tcp tcr tct th- thc thh thp thr tht thy tpc tph tpp tpr tpt trc trh trp trr trt try ttc tth ttp ttr ttt tty tyc typ tyr tyt ycc ych ycp ycy yhc yht yrc yrp yrt ytc yth ytp ytr ytt yyc yyt yyy