B3U1R1R1O1W4I1N1G2
15 points
BURROWING is validvalid
BURROW, to dig a hole or tunnel in the ground [v]
BURROW, to dig a hole or tunnel in the ground [v]
BURROW, to dig a hole or tunnel in the ground [v]
BURROW, to dig a hole or tunnel in the ground [v]