Girls:
Anya - really like it
Atia - not keen.
Gia - not keen
Edie - like it but would only use as a nn for Edith or Eden
Lyla - really like it
Rylie - quite like it
Rayne - quite like it. Never seen that spelling before though.
Lea - not keen
Boys:
Gene - don't like at all, sorry
Logan - like it
Elliot - love it
Rory - it's ok
Leo - quite like it
I would go for Anya or Lyla and Elliot.
You seem to like short and fairly contemporary? How about:
Asha, Amber, Bronte, Blair, Cleo, Carys, Devon, Dylan, Effie, Eden, Fallon, Faith, Gina, Grace, Halle, Hadley, Iona, Inaya, Jayla, Jenna, Kitty, Kiki, Lana, Lola, Mika, Mala, Nia, Nyah, Orla, Piper, Pippa, Quinn, Reese, Robyn, Saffron, Siya, Tansy, Taryn, Zia, Zeryn
Austin, Ashton, Blake, Bryn, Cole, Callum, Dexter, Dylan, Ezra, Eli, Flynn, Fitch, Gray, Harley, Ivan, Jasper, Jesse, Kai, Lennox, Lincoln, Milo, Nico, Owen, Parker, Preston, Rowan, Ronan, Solly, Tian, Tallon, Zach