H4Y4D2R1O1S1K5I1
19 points
HYDROSKI is validvalid
a plate attached to a seaplane to facilitate takeoffs and landings [n HYDROSKIS]
a plate attached to a seaplane to facilitate takeoff and landings [n -S]
a plate attached to a seaplane to facilitate takeoffs and landings [n HYDROSKIS]
a plate attached to a seaplane to facilitate takeoff and landings [n -S]