-ic c-- ccc cch cci cck ccr ccs ch- chc chh chi chk chr chs ci- cic cih cii cik cir cis ckc ckh cki cks crc crh cri crk crr crs csc csh csi csk csr css h-i hcc hch hci hck hcr hcs hhc hhh hhi hhk hhr hhs hic hih hii hik hir his hkh hki hkk hkr hks hr- hrc hrh hri hrk hrr hrs hsc hsh hsi hsk hsr hss icc ich ici ick icr ics ihc ihh ihi ihk ihr ihs iic iih iii iir iis ikc iki ikk ikr iks ir- irc iri irk irr irs is- isc ish isi isk isr iss kcc kch kci kck kcr kcs khh khi khk khr khs kic kih kii kik kir kis kkc kkh kki kkk kkr kks krc kri krk krr krs ksc ksh ksi ksk ksr kss rcc rch rci rcr rcs rh- rhc rhh rhi rhr rhs ric rih rii rik rir ris rkc rkk rks rrc rrh rri rrk rrr rrs rsc rsh rsi rsk rsr rss scc sch sci sck scr scs sh- shc shh shi shk shr shs sic sih sii sik sir sis sk- skc skh ski skk skr sks sr- src srh sri srk srr srs ss- ssc ssh ssi ssk ssr sss