Does your little do something called "groping". It's making the mouth movements like she wants to talk but either nothing comes out or it doesn't come out right. Your little sounds very much like mine and she was diagnosed with childhood Apraxia of speech
I use speech bulbs for my Little one I see it help. Unfortunately you do have to pay for it but it's worth it. We got our daughter tested at 3.5 and she starting to talk and we hear real word