c-- ccc ccd ccm cco ccs ccu cdc cdd cdm cdo cds cdu cmc cmd cmm cmo cms cmu co- coc cod com coo cos cou csc csd csm cso css csu cuc cud cum cuo cus cuu dcc dcd dcm dco dcs dcu ddc ddd ddm ddo dds ddu dmc dmd dmm dmo dms dmu doc dod dom doo dos dou dsc dsd dsm dso dss dsu duc dud dum duo dus m-o mc- mcc mcd mcm mco mcs mcu mdc mdd mdm mdo mds mdu mmc mmd mmm mmo mms mmu moc mod mom moo mos mou msc msd msm mso mss msu muc mud mum mus muu oc- occ ocd ocm oco ocs ocu odc odd odm odo ods odu om- omc omd omm omo oms omu oo- ooc ood oom ooo oos os- osc osd osm oso oss osu ou- ouc oud oum ouo ous scc scd scm sco scs scu sdc sdd sdm sdo sds sdu smc smd smm smo sms smu soc sod som soo sos sou ss- ssc ssd ssm sso sss ssu suc sud sum suo sus suu ucc ucd ucm uco ucs ucu udc udd udm udo uds udu um- umc umd umm umo ums umu uoc uod uom uoo uos usc usd usm uso uss usu uuc uum uus uuu