R1U1D2D2E1R1P3O1S1T1S1
15 points
RUDDERPOSTS is validvalid
RUDDERPOST,
RUDDERPOST, the shank of a rudder, having the blade at one end and the attachments for operating it at the other
RUDDERPOST,
RUDDERPOST, the shank of a rudder, having the blade at one end and the attachments for operating it at the other