Where can I purchase 2d characters that come with different mouth shapes for various phonemes

I would like to create an animated video that features a 2d character who speaks.  I have been searching all over for a website that sells 2d characters that include the mouth shapes needed to represent the various phonemes, but I can't find any.

Does anyone know of any websites that might sell 2d characters that I can import into AE without creating any of the graphics myself?

Thanks

Paul