-ic c-- ccc cch cci ccn ccr ccs ch- chc chh chi chn chr chs ci- cic cih cii cin cir cis cn- cnc cnh cni cnn cnr cns crc crh cri crn crr crs csc csh csi csn csr css h-i hcc hch hci hcn hcr hcs hhc hhh hhi hhn hhr hhs hic hih hii hin hir his hnc hnh hnn hns hr- hrc hrh hri hrn hrr hrs hsc hsh hsi hsn hsr hss icc ich ici icn icr ics ihc ihh ihi ihn ihr ihs iic iih iii iin iir iis in- inc inh ini inn inr ins ir- irc iri irn irr irs is- isc ish isi isn isr iss n-i ncc nch nci ncn ncr ncs nhc nhh nhi nhn nhr nhs nic nih nii nin nir nis nnc nnh nni nnn nns nrc nri nrn nrr nrs nsc nsh nsi nsn nsr nss rcc rch rci rcn rcr rcs rh- rhc rhh rhi rhn rhr rhs ric rih rii rin rir ris rnc rnh rni rnn rnr rns rrc rrh rri rrn rrr rrs rsc rsh rsi rsn rsr rss scc sch sci scn scr scs sh- shc shh shi shn shr shs sic sih sii sin sir sis snc sni snn snr sns sr- src srh sri srn srr srs ss- ssc ssh ssi ssn ssr sss