U1N1D2E1R1S1I1G2N1I1N1G2
15 points
UNDERSIGNING is validvalid
UNDERSIGN, [v]
UNDERSIGN, to write one's name at the foot or end of, as a letter or any legal instrument [v]
UNDERSIGN, [v]
UNDERSIGN, to write one's name at the foot or end of, as a letter or any legal instrument [v]