c-- ccc ccd ccm cco ccr ccs ccu cdc cdd cdm cdo cdr cds cdu cmc cmd cmm cmo cmr cms cmu co- coc cod com coo cor cos cou crc crd crm cro crr crs cru csc csd csm cso csr css csu cuc cud cum cuo cur cus cuu dcc dcd dcm dco dcr dcs dcu ddc ddd ddm ddo ddr dds ddu dmc dmd dmm dmo dmr dms dmu doc dod dom doo dor dos dou drc drd drm dro drr drs dru dsc dsd dsm dso dsr dss dsu duc dud dum duo dur dus m-o m-r mc- mcc mcd mcm mco mcr mcs mcu mdc mdd mdm mdo mdr mds mdu mmc mmd mmm mmo mmr mms mmu moc mod mom moo mor mos mou mrc mrd mrm mro mrr mrs mru msc msd msm mso msr mss msu muc mud mum mur mus muu oc- occ ocd ocm oco ocr ocs ocu odc odd odm odo odr ods odu om- omc omd omm omo omr oms omu oo- ooc ood oom ooo oor oos or- orc ord orm oro orr ors oru os- osc osd osm oso osr oss osu ou- ouc oud oum ouo our ous rcc rcd rcm rco rcr rcs rcu rdc rdd rdm rdo rdr rds rdu rmc rmd rmm rmo rmr rms roc rod rom roo ror ros rou rrc rrd rrm rrr rrs rru rsc rsd rsm rso rsr rss rsu ruc rud rum ruo rur rus ruu scc scd scm sco scr scs scu sdc sdd sdm sdo sdr sds sdu smc smd smm smo smr sms smu soc sod som soo sor sos sou sr- src srd srm sro srr srs ss- ssc ssd ssm sso ssr sss ssu suc sud sum suo sur sus suu ucc ucd ucm uco ucr ucs ucu udc udd udm udo udr uds udu um- umc umd umm umo umr ums umu uoc uod uom uoo uor uos ur- urc urd urm uro urr urs uru usc usd usm uso usr uss usu uuc uum uur uus uuu