The only one I've never been completely sure about was Miqo'te. I could never decide it it's "Me-Coat" or "Me-Co-Tay".

The others I just pronounce:
Hyur - "He-Yur"
Lalafell- "La-La-Fell"
Roegadyn- "Ro-Ga-Den"

I may be way off, but that's what I've been saying for over a year now haha.