-ic c-- ccc cch cci ccp ccr ccs ch- chc chh chi chp chr chs chy ci- cic cih cii cip cir cis cpc cph cpi cpp cpr cps crc crh cri crp crr crs cry csc csh csi csp csr css csy cyc cyp cyr cys h-i hcc hch hci hcp hcr hcs hcy hhc hhh hhi hhp hhr hhs hhy hic hih hii hip hir his hpc hph hpi hpp hpr hps hpy hr- hrc hrh hri hrp hrr hrs hsc hsh hsi hsp hsr hss hsy hy- hyc hyh hyi hyp hyr hys hyy icc ich ici icp icr ics icy ihc ihh ihi ihp ihr ihs ihy iic iih iii iip iir iis ipc ipi ipp ipr ips ipy ir- irc iri irp irr irs iry is- isc ish isi isp isr iss isy iyc iyr iys iyy p-p pcc pch pci pcp pcr pcs phc phi php phr phs phy pic pih pii pip pir pis ppc pph ppi ppp ppr pps prc prh pri prp prr prs pry ps- psc psh psi psp psr pss psy py- pyc pyr pys rcc rch rci rcp rcr rcs rh- rhc rhh rhi rhp rhr rhs ric rih rii rip rir ris riy rpc rph rpi rpp rpr rps rrc rrh rri rrp rrr rrs rsc rsh rsi rsp rsr rss ry- ryc ryr rys ryy scc sch sci scp scr scs sh- shc shh shi shp shr shs shy sic sih sii sip sir sis spc sph spi spp spr sps spy sr- src srh sri srp srr srs sry ss- ssc ssh ssi ssp ssr sss sy- syc syh syi syp syr sys ycc ych yci ycp ycs ycy yhc yhi yhs yih yii yip yir yis yps yrc yrp yrs ysc ysi ysp ysr yss ysy yyc yys yyy