c-- ccc cce ccm cco ccu ce- cec cee cem ceo ceu cmc cme cmm cmo cmu co- coc coe com coo cou cuc cue cum cuo cuu ec- ecc ece ecm eco ecu eec eee eem eeo em- emc eme emm emo emu eo- eoc eoe eom eoo eou eu- euc eue m-o mc- mcc mce mcm mco mcu mec mee mem meo meu mmc mme mmm mmo mmu moc moe mom moo mou muc mue mum muu oc- occ ocm oco ocu oec oee oem oeo om- omc ome omm omo omu oo- ooc oom ooo ou- ouc oue oum ouo ucc uce ucm uco ucu uec uee uem um- umc ume umm umo umu uoc uoe uom uoo uuc uue uum uuu