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	Onofredo	The cadre who fights for the harmony of nation.
	Onofrio	Protector of harmony.
	Onosij	A person who is dedicated and creative
	Onslow	Supporter's mountain or follower's hill.
	Onslowe	Passionate or adoring one's mountain
	Ontario	Beautiful lake of water
	Ontzlake	A Good knight of prowess
	Oogy	Full of or showing high spirits.
	Oopajai	Abide or live or dwell or reside.