I think it's beautiful, I really love 'oo' names as well :)
I agree about '-ana' names, that's my only reservation as it reminds me of
Lana which I dislike
I like:
Ulyana BrynhildUlyana CordulaUlyana HesterUlyana KriemhildUlyana Richemay
Ulyana Richenza
Ulyana Sigrid
(
Cordula & Richemay are interesting!)