boa, asp
bay
own
use
A 3-letter word that means "which person" is "who."
A 3 lettered word for a mole is a spy.
eve
cot
One three lettered word for each is all, any, or one.
Kid. Young goats are referred to as a kid.
Gnu=gun. A gnu is also called a wildebeeste.
A constricting snake is a boa (boa constrictor).