I have to agree on it being obvious anagrams.
Dena,
Edan & Neda?
Aderyn,
Andrey &
Yarden?
Ameline,
Emelina &
Melanie?
There's a bunch of anagram names on this site found here:
http://www.behindthename.com/anagram/ That's where I found those. *shrugs* Maybe that'll help?