-ic c-- ccc ccd cci ccn cco ccs cdc cdd cdi cdn cdo cds ci- cic cid cii cin cio cis cn- cnc cnd cni cnn cno cns co- coc cod coi con coo cos csc csd csi csn cso css dcc dcd dci dcn dco dcs ddc ddd ddi ddn ddo dds di- dic did dii din dio dis dnc dnd dni dnn dno dns doc dod doi don doo dos dsc dsd dsi dsn dso dss i-d icc icd ici icn ico ics idc idd idi idn ido ids iic iid iii iin iio iis in- inc ind ini inn ino ins io- ioc iod ioi ion ioo ios is- isc isd isi isn iso iss n-i ncc ncd nci ncn nco ncs ndc ndd ndi ndn ndo nds nic nid nii nin nio nis nnc nni nnn nno nns no- noc nod noi non noo nos nsc nsd nsi nsn nso nss o-i oc- occ ocd oci ocn oco ocs odc odd odi odn odo ods oic oid oii oin oio ois on- onc ond oni onn ono ons oo- ooc ood ooi oon ooo oos os- osc osd osi osn oso oss scc scd sci scn sco scs sdc sdd sdi sdn sdo sds sic sid sii sin sio sis snc snd sni snn sno sns soc sod soi son soo sos ss- ssc ssd ssi ssn sso sss