ба

oh!, well, well!

b a

interjection Rare #50,642

oh!, well, well! An expressive, somewhat old-fashioned exclamation of surprise or recognition.

RU: Ба, ты уже дома!

EN: Oh, you're home already!

Bah!

Huh, there’s nothing here.

— Ветер, который качает вереск (2006)

Don't do that to me, grandma!

— Ветер, который качает вереск (2006)

Well, Valera, my dear!

— Mimino (1977)

Sounds similar to