c-- ccc ccg ccm cco ccp ccr cgc cgg cgm cgo cgp cgr cmc cmg cmm cmo cmp cmr co- coc cog com coo cop cor cpc cpg cpm cpo cpp cpr crc crg crm cro crp crr g-p gcc gcg gcm gco gcp gcr ggc ggg ggm ggo ggp ggr gmc gmg gmm gmo gmp gmr goc gog gom goo gop gor gpc gpg gpm gpo gpp gpr grc grg grm gro grp grr m-o m-r mc- mcc mcg mcm mco mcp mcr mgc mgm mgo mgp mgr mmc mmg mmm mmo mmp mmr moc mog mom moo mop mor mpc mpg mpm mpo mpp mpr mrc mrg mrm mro mrp mrr oc- occ ocg ocm oco ocp ocr ogc ogg ogo ogp om- omc omg omm omo omp omr oo- ooc oog oom ooo oop oor op- opc opg opm opo opp opr or- orc org orm oro orp orr p-p pcc pcg pcm pco pcp pcr pgc pgg pgm pgo pgp pgr pmc pmg pmm pmo pmp pmr poc pog pom poo pop por ppc ppg ppm ppo ppp ppr prc prg prm pro prp prr rcc rcg rcm rco rcp rcr rgc rgg rgo rgp rgr rmc rmg rmm rmo rmp rmr roc rog rom roo rop ror rpc rpg rpm rpo rpp rpr rrc rrg rrm rrp rrr