we, wee, whee

We or we is the first person plural pronoun, standing for the speaker and at least one other person, as the subject of ( the actor in ) a sentence or part of a sentence--
We are going to the store; do you want anything?
It will be late when we get home.

Wee or wee ( rhymes with we ) is an old-fashioned word meaning tiny, or very small--
The old man liked to tell the children tales of the wee folk, who live underground.
"In the wee small hours of the morning..."

Whee or whee ( rhymes with we ) is a shout of physical excitement or glee, as expressed by a child--
Whee! Let's go down the slide again!
I like the merry-go-round! Whee!

Now that you know that, you can say--
"We always shout "whee" when we sled down the wee hill out back; to the children it's exciting."