-ic c-- ccc cch cci ccr ccs ch- chc chh chi chr chs chy ci- cic cih cii cir cis crc crh cri crr crs cry csc csh csi csr css csy cyc cyr cys h-i hcc hch hci hcr hcs hcy hhc hhh hhi hhr hhs hhy hic hih hii hir his hr- hrc hrh hri hrr hrs hsc hsh hsi hsr hss hsy hy- hyc hyh hyi hyr hys hyy icc ich ici icr ics icy ihc ihh ihi ihr ihs ihy iic iih iii iir iis ir- irc iri irr irs iry is- isc ish isi isr iss isy iyc iyr iys iyy rcc rch rci rcr rcs rh- rhc rhh rhi rhr rhs ric rih rii rir ris riy rrc rrh rri rrr rrs rsc rsh rsi rsr rss ry- ryc ryr rys ryy scc sch sci scr scs sh- shc shh shi shr shs shy sic sih sii sir sis sr- src srh sri srr srs sry ss- ssc ssh ssi ssr sss sy- syc syh syi syr sys ycc ych yci ycs ycy yhc yhi yhs yih yii yir yis yrc yrs ysc ysi ysr yss ysy yyc yys yyy