M3A1T1C3H4B3O1A1R1D2
20 points
MATCHBOARD is validvalid
one of a number of boards with a tongue cut along one edge and a groove in the opposite edge, fitted one into the next to make a wall-facing, etc.
one of a number of boards with a tongue cut along one edge and a groove in the opposite edge, fitted one into the next to make a wall-facing, etc.