-ic c-- ccc ccg cci cco ccr cgc cgg cgi cgo cgr ci- cic cig cii cio cir co- coc cog coi coo cor crc crg cri cro crr gcc gcg gci gco gcr ggc ggg ggi ggo ggr gic gig gii gio gir goc gog goi goo gor grc grg gri gro grr icc icg ici ico icr igc igg igi igo igr iic iii iio iir io- ioc iog ioi ioo ior ir- irc irg iri iro irr o-i oc- occ ocg oci oco ocr ogc ogg ogi ogo oic oii oio oir oo- ooc oog ooi ooo oor or- orc org ori oro orr rcc rcg rci rco rcr rgc rgg rgi rgo rgr ric rig rii rio rir roc rog roi roo ror rrc rrg rri rrr