Talking?

I am convinced Evie can say way more than she lets on. I'll give you the story of the day. I get Evie up from her nap and Hannah comes in, I say "can you say Hello Hannah?" Evie "Hello Hannah" the hello was some what understandable, with the H and O sound, the Hannah however was as clear as can be, Hannah and I look at each other like did she really say that? So I say "can you say Hannah again?" and what does Evie do? Evie says "Hannah again" I knew it!!! She CAN talk. If we can only get her to use her words consistently it'd be great!