c-- ccc cch ccm cco ccr ccz ch- chc chh chm cho chr chy chz cmc cmh cmm cmo cmr cmy co- coc coh com coo cor coy coz crc crh crm cro crr cry crz cyc cym cyo cyr cz- czc czm czo hcc hch hcm hco hcr hcy hhc hhh hhm hho hhr hhy hhz hmc hmh hmm hmo hmr hmy hmz hoc hoh hom hoo hor hoy hr- hrc hrh hrm hro hrr hrz hy- hyc hyh hym hyo hyr hyy hzo hzy m-o m-r mc- mcc mch mcm mco mcr mcz mhc mhh mhm mho mhr mhz mmc mmh mmm mmo mmr mmz moc moh mom moo mor moy moz mrc mrh mrm mro mrr mry mrz my- myc myh mym myo myr mzm oc- occ och ocm oco ocr ocz ohc ohh ohm oho ohr om- omc omh omm omo omr omy omz oo- ooc ooh oom ooo oor or- orc orh orm oro orr ory orz oyo ozm ozo ozz rcc rch rcm rco rcr rh- rhc rhh rhm rho rhr rmc rmh rmm rmo rmr roc roh rom roo ror roy roz rrc rrh rrm rrr ry- ryc rym ryo ryr ryy ryz rzm rzo rzy ycc ych yco ycy yhc ymc ymm ymo yoc yom yoo yor yoy yrc yro yyc yyy yyz yzr yzy zco zhc zho zhr zmc zmm zo- zoc zom zoo zor zrh zro zym zzr zzy zzz