-ic c-- ccc ccd ccg cci cco ccs cdc cdd cdg cdi cdo cds cgc cgd cgg cgi cgo cgs ci- cic cid cig cii cio cis co- coc cod cog coi coo cos csc csd csg csi cso css dcc dcd dcg dci dco dcs ddc ddd ddg ddi ddo dds dgc dgd dgg dgi dgs di- dic did dig dii dio dis doc dod dog doi doo dos dsc dsd dsg dsi dso dss g-d gcc gcd gcg gci gco gcs gdc gdd gdi gdo gds ggc ggd ggg ggi ggo ggs gic gid gig gii gio gis goc god gog goi goo gos gsc gsd gsg gsi gso gss i-d icc icd icg ici ico ics idc idd idg idi ido ids igc igd igg igi igo igs iic iid iii iio iis io- ioc iod iog ioi ioo ios is- isc isd isg isi iso iss o-i oc- occ ocd ocg oci oco ocs odc odd odg odi odo ods ogc ogd ogg ogi ogo ogs oic oid oii oio ois oo- ooc ood oog ooi ooo oos os- osc osd osg osi oso oss scc scd scg sci sco scs sdc sdd sdg sdi sdo sds sgc sgd sgg sgi sgo sgs sic sid sig sii sio sis soc sod sog soi soo sos ss- ssc ssd ssg ssi sso sss