-ic c-- ccc ccg cci ccm cco ccr cgc cgg cgi cgm cgo cgr ci- cic cig cii cim cio cir cmc cmg cmi cmm cmo cmr co- coc cog coi com coo cor crc crg cri crm cro crr gcc gcg gci gcm gco gcr ggc ggg ggi ggm ggo ggr gic gig gii gim gio gir gmc gmg gmi gmm gmo gmr goc gog goi gom goo gor grc grg gri grm gro grr icc icg ici icm ico icr igc igg igi igm igo igr iic iii iim iio iir im- imc img imi imm imo io- ioc iog ioi iom ioo ior ir- irc irg iri irm iro irr m-o m-r mc- mcc mcg mci mcm mco mcr mgc mgi mgm mgo mgr mi- mic mig mii mim mio mir mmc mmg mmi mmm mmo mmr moc mog moi mom moo mor mrc mrg mri mrm mro mrr o-i oc- occ ocg oci ocm oco ocr ogc ogg ogi ogo oic oii oim oio oir om- omc omg omi omm omo omr oo- ooc oog ooi oom ooo oor or- orc org ori orm oro orr rcc rcg rci rcm rco rcr rgc rgg rgi rgo rgr ric rig rii rim rio rir rmc rmg rmi rmm rmo rmr roc rog roi rom roo ror rrc rrg rri rrm rrr