c-- ccc ccd cce ccm ccu cdc cdd cde cdm cdu ce- cec ced cee cem ceu cmc cmd cme cmm cmu cuc cud cue cum cuu dcc dcd dce dcm dcu ddc ddd dde ddm ddu de- dec ded dee dem deu dmc dmd dme dmm dmu duc dud due dum ec- ecc ecd ece ecm ecu ed- edc edd ede edm edu eec eed eee eem em- emc emd eme emm emu eu- euc eud eue mc- mcc mcd mce mcm mcu mdc mdd mde mdm mdu mec med mee mem meu mmc mmd mme mmm mmu muc mud mue mum muu ucc ucd uce ucm ucu udc udd ude udm udu uec ued uee uem um- umc umd ume umm umu uuc uue uum uuu