* Formal: Bonzour! (pronounced "Bon-zhoor")
* Informal: Bonjou! (pronounced "Bon-joo")
* More friendly: Bon matinee! (pronounced "Bon ma-tee-nay")
"Bonjou" is the most common and versatile greeting, suitable for most situations. "Bonzour" is more formal and might be used in business settings or when addressing someone you don't know well. "Bon matinee" is even more informal and friendly, often used among friends and family.