c-- ccc ccd ccm ccn cco ccr ccu cdc cdd cdm cdn cdo cdr cdu cmc cmd cmm cmn cmo cmr cmu cn- cnc cnd cnm cnn cno cnr cnu co- coc cod com con coo cor cou crc crd crm crn cro crr cru cuc cud cum cun cuo cur cuu dcc dcd dcm dcn dco dcr dcu ddc ddd ddm ddn ddo ddr ddu dmc dmd dmm dmn dmo dmr dmu dnc dnd dnm dnn dno dnr doc dod dom don doo dor dou drc drd drm drn dro drr dru duc dud dum dun duo dur m-o m-r mc- mcc mcd mcm mcn mco mcr mcu mdc mdd mdm mdn mdo mdr mdu mmc mmd mmm mmn mmo mmr mmu mnc mnm mnn mno mnr mnu moc mod mom mon moo mor mou mrc mrd mrm mrn mro mrr mru muc mud mum mun mur muu ncc ncd ncm ncn nco ncr ncu ndc ndd ndm ndn ndo ndr ndu nmc nmd nmm nmn nmo nmr nmu nnc nnm nnn nno nnu no- noc nod nom non noo nor nou nrc nrd nrm nrn nro nrr nru nuc nud num nun nuo nur nuu oc- occ ocd ocm ocn oco ocr ocu odc odd odm odn odo odr odu om- omc omd omm omn omo omr omu on- onc ond onn ono onr onu oo- ooc ood oom oon ooo oor or- orc ord orm orn oro orr oru ou- ouc oud oum oun ouo our rcc rcd rcm rcn rco rcr rcu rdc rdd rdm rdn rdo rdr rdu rmc rmd rmm rmn rmo rmr rnc rnd rnm rnn rno rnr rnu roc rod rom ron roo ror rou rrc rrd rrm rrn rrr rru ruc rud rum run ruo rur ruu ucc ucd ucm ucn uco ucr ucu udc udd udm udn udo udr udu um- umc umd umm umn umo umr umu un- unc und unm unn uno unr unu uoc uod uom uon uoo uor ur- urc urd urm urn uro urr uru uuc uum uun uur uuu