c-- ccc cch ccm cco ccr ch- chc chh chm cho chr cmc cmh cmm cmo cmr co- coc coh com coo cor crc crh crm cro crr hcc hch hcm hco hcr hhc hhh hhm hho hhr hmc hmh hmm hmo hmr hoc hoh hom hoo hor hr- hrc hrh hrm hro hrr m-o m-r mc- mcc mch mcm mco mcr mhc mhh mhm mho mhr mmc mmh mmm mmo mmr moc moh mom moo mor mrc mrh mrm mro mrr oc- occ och ocm oco ocr ohc ohh ohm oho ohr om- omc omh omm omo omr oo- ooc ooh oom ooo oor or- orc orh orm oro orr rcc rch rcm rco rcr rh- rhc rhh rhm rho rhr rmc rmh rmm rmo rmr roc roh rom roo ror rrc rrh rrm rrr