-ic c-- ccc cch cci ccn ccs ch- chc chh chi chn chs ci- cic cih cii cin cis cn- cnc cnh cni cnn cns csc csh csi csn css h-i hcc hch hci hcn hcs hhc hhh hhi hhn hhs hic hih hii hin his hnc hnh hnn hns hsc hsh hsi hsn hss icc ich ici icn ics ihc ihh ihi ihn ihs iic iih iii iin iis in- inc inh ini inn ins is- isc ish isi isn iss n-i ncc nch nci ncn ncs nhc nhh nhi nhn nhs nic nih nii nin nis nnc nnh nni nnn nns nsc nsh nsi nsn nss scc sch sci scn scs sh- shc shh shi shn shs sic sih sii sin sis snc sni snn sns ss- ssc ssh ssi ssn sss