-ic c-- ccc ccd cci ccn ccs cdc cdd cdi cdn cds ci- cic cid cii cin cis cn- cnc cnd cni cnn cns csc csd csi csn css dcc dcd dci dcn dcs ddc ddd ddi ddn dds di- dic did dii din dis dnc dnd dni dnn dns dsc dsd dsi dsn dss i-d icc icd ici icn ics idc idd idi idn ids iic iid iii iin iis in- inc ind ini inn ins is- isc isd isi isn iss n-i ncc ncd nci ncn ncs ndc ndd ndi ndn nds nic nid nii nin nis nnc nni nnn nns nsc nsd nsi nsn nss scc scd sci scn scs sdc sdd sdi sdn sds sic sid sii sin sis snc snd sni snn sns ss- ssc ssd ssi ssn sss