N1O1T1E1P3A1D2
10 points
NOTEPAD is validvalid
a number of sheets of paper glued together at one end [n NOTEPADS]
a number of sheets of paper glued together at one end [n -S]
a number of sheets of paper glued together at one end [n NOTEPADS]
a number of sheets of paper glued together at one end [n -S]