T1R1E1P3A1N1N1E1D2
12 points
TREPANNED is validvalid
TREPAN, to trephine [v]
TREPAN, to cut holes in the skull with a surgical saw, also TRAPAN, TREPHINE [v]
TREPAN, to trephine [v]
TREPAN, to cut holes in the skull with a surgical saw, also TRAPAN, TREPHINE [v]