Here are the candidates:
Balsa (Seirei no Moribito)
Eineus (Macademi Wasshoi)
Falis (aka Alita) (Murder Princess)
Grandis Granva (Fushigi no Umi no Nadia)
Haruka Urashima (Love Hina)
Laetitia (Tytania)
Lexshue (Crest of the Stars)
Lina Inverse (Slayers)
Mai Kawasumi (Kanon 2006)
Meia Gisborn (Vandread)
Nausicaä (Nausicaä)
Pirotess (Record of Lodoss War)
Ryoko Yakushiji (Yakushiji Ryokou no Kaiki Jikenbo)
Sachiko Ogasawara (Maria-sama ga Miteru)
Setsuna (Shingu)
Sharon Apple (Macross Plus)
Tsuruko Aoyama (Love Hina)
Yoko (Tengen Toppa Gurren-Lagann)
Yuri (Dirty Pair)
Addendum: The seven finalists from the first round are Rushuna Tendo (26%), Faye Valentine (22%), Misato Katsuragi (21%), Lafiel (20%), Yomiko Readman (20%), Urd (17%) and Kan’u Unchou (17%). You’ll have another chance to vote for them in the final round.