-ic c-- ccc ccf ccg cci cco ccr cfc cff cfg cfi cfo cfr cgc cgg cgi cgo cgr ci- cic cif cig cii cio cir co- coc cof cog coi coo cor crc crf crg cri cro crr fcc fcf fcg fci fco fcr ffc fff ffg ffi ffo ffr fgc fgf fgg fgi fgr fic fif fig fii fir foc fof fog foi foo for frc frf frg fri fro frr gcc gcf gcg gci gco gcr gfc gff gfi gfo gfr ggc ggg ggi ggo ggr gic gif gig gii gio gir goc gof gog goi goo gor grc grf grg gri gro grr i-f icc icf icg ici ico icr ifc iff ifg ifi ifo ifr igc igf igg igi igo igr iic iif iii iio iir io- ioc iof iog ioi ioo ior ir- irc irf irg iri iro irr o-i oc- occ ocf ocg oci oco ocr of- ofc off ofg ofi ofo ofr ogc ogf ogg ogi ogo oic oif oii oio oir oo- ooc oof oog ooi ooo oor or- orc orf org ori oro orr rcc rcf rcg rci rco rcr rfc rff rfg rfi rfo rfr rgc rgf rgg rgi rgo rgr ric rif rig rii rio rir roc rof rog roi roo ror rrc rrf rrg rri rrr