Brain dump (full names and shrortenings, ie sound even if not ie letters):
Abbie, Allie, Annie, Angie, Aggie, Amberley, Avery, Aubrey, Audrey, Ashley, Bonnie, Betty, Betsy, Bronte, Billie, Bobbi, Bridie, Bessie, Bryony, Bethany, Barbie, Bea, Charlie, Connie, Cassie, Callie, Carrie, Chloe, Casey, Carly, Cindy, Coralie, Candy, Daisy, Darcey, Dulcie, Delphi, Dolly, Dottie, Daphne, Dorothy, Destiny, Emmie, Emily, Evie, Everley, Evadne, Ellie, Elsie, Edie, Esme, Effie, Elodie, Ebony, Frankie, Florrie, Georgie, Glory, Gertie, Heidi, Hollie, Hallie, Hayley, Hadley, Hattie, Hetty, Hebe, Izzy, Indie, Immy, Julie, Josie, Jodie, Judy, Jackie, Katie, Kitty, Kiki, Keltie, Kristie, Kimmy, Kaylie, Keeley, Kelsie, Kelly, Kerry, Kinsley, Lily, Lucy, Lexi, Lacie, Libby, Lottie, Livvy, Leonie, Lizzie, Liberty, Lettie, Millie, Mollie, Marlie, Macie, Miley, Misty, Maddie, Melody, Mimi, Melanie, Maggie, Marie, Maisie, Marnie, Naomi, Nellie, Nancy, Natalie, Ottilie, Poppy, Polly, Penny, Peggy, Posy, Pixie, Pippi, Phoebe, Penelope, Paisley, Queenie, Ruby, Rylie, Romy, Remy, Romilly, Sophie, Stephanie, Sadie, Sally, Sylvie, Susie, Saffy, Sandy, Stacie, Tillie, Tessie, Tiffany, Tansy, Tori, Toni, Terri, Tracey, Verity, Vicky, Wendy, Winnie, Zoe