H4E1L1I1S1K5I1E1D2
17 points
HELISKIED is validvalid
HELISKI, to ski downhill on mountains reached by helicopter [v]
HELISKI, to ski down mountains reached by helicopter [v]
HELISKI, to ski downhill on mountains reached by helicopter [v]
HELISKI, to ski down mountains reached by helicopter [v]