'Azzo!: from cazzo (italian), used to mean something close to "wow!" or "oh my god!", it lacks the vulgar sense of cazzo and is typically used affectionately

Malammè!: "Poor me!"

Ma che stai facend': literally means "but what are you doing" but is typically said when someone one is doing something bad/ unusual/ stupid

Disgraziata!: literally means disgraced but has a very negative connotation, and is used as a way of scolding someone

"Bo" or "Bu": I don't know