M3E1R1G2A1N1S1E1R1S1
13 points
MERGANSERS is validvalid
MERGANSER, a bird of genus Lophodytes [n]
MERGANSER, an aquatic bird of a genus allied to the ducks [n]
MERGANSER, a bird of genus Lophodytes [n]
MERGANSER, an aquatic bird of a genus allied to the ducks [n]