Hallo
Andy!
Heile / Haile are
German short forms of names beginning with Heil- (e.g. Heiltraud,
Heilwig). They're not Scandinavian.
A Scandinavian name with the same meaning like Heile/Haile (lucky, healthy, holy, blessed) is
Helga.
I'd guess, Haili is a creative spelling of
Hayley.
/
Satu
http://www.nordicnames.de/pojk_h/Helge.html