Gap or Col
Col
Col (noun) is a three letter word for mountain pass.
gap
Nee
Rug?
What is a three lettered word for ability to say something funny or clever things
bey
two, set
ham
I suppose 'ski' would fit.
One three lettered word for each is all, any, or one.
col or gap are used instead of mountain pass as well
That's usually "col." Check the "g."