-ic c-- ccc ccd cci cck ccn ccs cdc cdd cdi cdk cdn cds ci- cic cid cii cik cin cis ckc ckd cki cks cn- cnc cnd cni cnn cns csc csd csi csk csn css dcc dcd dci dck dcn dcs ddc ddd ddi ddk ddn dds di- dic did dii dik din dis dkc dki dkk dks dnc dnd dni dnk dnn dns dsc dsd dsi dsk dsn dss i-d icc icd ici ick icn ics idc idd idi idk idn ids iic iid iii iin iis ikc iki ikk iks in- inc ind ini ink inn ins is- isc isd isi isk isn iss kcc kcd kci kck kcn kcs kdc kdk kds kic kid kii kik kin kis kkc kki kkk kkn kks kn- knc knd kni knk knn ksc ksd ksi ksk ksn kss n-i ncc ncd nci nck ncn ncs ndc ndd ndi ndk ndn nds nic nid nii nik nin nis nkc nki nkk nkn nks nnc nni nnk nnn nns nsc nsd nsi nsk nsn nss scc scd sci sck scn scs sdc sdd sdi sdk sdn sds sic sid sii sik sin sis sk- skc skd ski skk sks snc snd sni snk snn sns ss- ssc ssd ssi ssk ssn sss