I'm figuring that some of the more unusual names are from various indigenous ethnic groups, for example, Tartars, Bashkirs, Karelians, and so forth.
I like:
KseniyaNinaValentinaYelizavetaViktoriyaYevgeniyaNadezhdaValeriyaYelenaAlinaOksanaViolettaAlevtina
Sentyabrina
Eseniya
Alfina
SerafimaKhurshida
Ilsiya
SamiraIlmira
Sakhiba
Atlantida
IzoldaRuslana
ViolaFaridaEleonoraTaisiyaAlbinaVasilisaZarina
YevdokiyaAyza
Zulfiya