c-- ccc ccd cce ccm cco ccu cdc cdd cde cdm cdo cdu ce- cec ced cee cem ceo ceu cmc cmd cme cmm cmo cmu co- coc cod coe com coo cou cuc cud cue cum cuo cuu dcc dcd dce dcm dco dcu ddc ddd dde ddm ddo ddu de- dec ded dee dem deo deu dmc dmd dme dmm dmo dmu doc dod doe dom doo dou duc dud due dum duo ec- ecc ecd ece ecm eco ecu ed- edc edd ede edm edo edu eec eed eee eem eeo em- emc emd eme emm emo emu eo- eoc eod eoe eom eoo eou eu- euc eud eue m-o mc- mcc mcd mce mcm mco mcu mdc mdd mde mdm mdo mdu mec med mee mem meo meu mmc mmd mme mmm mmo mmu moc mod moe mom moo mou muc mud mue mum muu oc- occ ocd ocm oco ocu odc odd ode odm odo odu oec oed oee oem oeo om- omc omd ome omm omo omu oo- ooc ood oom ooo ou- ouc oud oue oum ouo ucc ucd uce ucm uco ucu udc udd ude udm udo udu uec ued uee uem um- umc umd ume umm umo umu uoc uod uoe uom uoo uuc uue uum uuu