Certain sounds

Yes it certainly is Jes. You could never mistake the two.

How about when your doggie looks at you in a friendly way, and quietly mentions to you, "huff"?

Hey, he doesn't make a big deal about. Just reminds you that "huff".

Used to get the "oh, man!" whine when explaining that Mom and Dad are going to work now, so an extra walk is just not in the cards until afterwards.