Annika - I imagine a five-years old girl
Bengt - It is pretty simple
Erica - It is on my list
Mona - I'd prefer
MonicaSven - Neutral
Sverre - Better than
SvenTomas - Neutral, more dislike than like
I can't really help with the pronounciation, but I'll try...
Kai - KIE (I mean, K and eye together :D)
Kaj - The same as
Kai (?), maybe KIY
Kajsa - KIE-sah
Kia - KEEAH
Svea - SVE-ah
-I SUPPOSE-