Niilo and Nilo are pronounced the same.
Niilo is the original Finnish spelling, but using two i's isn't really something that's done in Swedish name and I guess that's where Nilo comes from.
Let us step into the night and pursue that flighty temptress, adventure.
PNL: http://www.behindthename.com/pnl/45898
Top: Alice and Matteo
Bottom: Kenzie and Deacon
'Eggbert' due December 2018