W4H4O1O1S1I1S1E1S1
15 points
WHOOSISES is validvalid
WHOOSIS, an object or person whose name is not known [n]
WHOOSIS, an object or person whose name is not known, also WHOSIS, WHOSIT [n]
WHOOSIS, an object or person whose name is not known [n]
WHOOSIS, an object or person whose name is not known, also WHOSIS, WHOSIT [n]