Yeah but no but

Negative	Uncertain	Positive	Exclamation
		Yeah
Nah		Yah
Nope		Yep, yup	Oops!
			Ruh-roh
			Pah!
			Pff!
	Huh	Uh-huh	Ha!
	Hmm, um	Mmm	A-ha!
	Er		Ah!
		OK, K