Hmmm ... good challenge.
Pretty, non traditional, non weird, soft sound, no lyn/line, no words:
Ayla, Alyssa, Ariana, Callie, Cassia, Darcey, Effie, Elodie, Everly, Freya, Giselle, Hallie, Iona, Jessamy, Kayla, Kyla, Kyra, Liara, Livia, Luana, Leonie, Lyla, Layla, Mila, Mala, Marissa, Nyla, Nova, Orla, Romilly, Sadie, Saskia, Thea, Tamara, Veda, Vanessa, Xanthe, Zia
Strong, non traditional, non weird, soft sound, no words (tough combo - strong and soft):
Asher, Corran, Dylan, Elliot, Fraser, Joel, Leo, Milo, Nico, Patrick, Rory, Victor, Xavier, Zeke