S1U1P3E1R1C3O1N1T1I1N1E1N1T1S1
19 points
SUPERCONTINENTS is validvalid
SUPERCONTINENT, [n]
SUPERCONTINENT, a hypothetical former large continent from which other continents are held to have broken off and drifted away [n]
SUPERCONTINENT, [n]
SUPERCONTINENT, a hypothetical former large continent from which other continents are held to have broken off and drifted away [n]