"O'er" is an archaic or poetic/literary contraction for "over."
Example: The cow jumped o'er the moon.
The three-letter word that poets use for "above" is "o'er."
The three later word that means view is see.
A three letter word that could mean clever is sly.
Observe means to see.
Ara
Sly
ilk
apt
din
Nix
Ban
See?