I really like the idea of Enna. There’s also Ava, or just L (Elle) or maybe Ella. Or you could use initials or middles to get to a nickname (I have Lal for Lavender using initials).
Dreaming of...
Pandora Beatrix Fae ✦ Caspian Sherlock Walter ✦ Artemis Valkyrie Clio ✦ Ptolemy Lysander George
Horatio ✦ Nikolai ✦ Prosper ✦ Ephraim ✦ Cedrick ✦ Ambrose
Evanthe ✦ Zenobia ✦ Morgana ✦ Marigold ✦ Lavender ✦ Ziva ✦ Guinevere