H4I1P3P3O1P3O1T1A1M3U1S1
23 points
HIPPOPOTAMUS is validvalid
[n HIPPOPOTAMI, HIPPOPOTAMUSES]
a large African artiodactyl ungulate of aquatic habits [n HIPPOPOTAMI or HIPPOPOTAMUSES]
[n HIPPOPOTAMI, HIPPOPOTAMUSES]
a large African artiodactyl ungulate of aquatic habits [n HIPPOPOTAMI or HIPPOPOTAMUSES]