M3A1T1R1I1O1S1H4K5A1S1
20 points
MATRIOSHKAS is validvalid
MATRIOSHKA, a matryoshka [n]
MATRIOSHKA, (Russian) a Russian doll, also MATROYSHKA, MATRYOSHKA [n]
MATRIOSHKA, a matryoshka [n]
MATRIOSHKA, (Russian) a Russian doll, also MATROYSHKA, MATRYOSHKA [n]