Answer:
on, beneath, inside, around, under, by, at, with, throughout, over.
Explanation:
The rule of thumb for prepositional phrases, or what I've been taught, is what a squirrel can do to a tree. A squirrel can be on a tree, beneath the tree, inside a tree, around a tree, under a tree, by a tree, at a tree, with a tree, throughout a tree, or even over a tree.