What can be done to enlarge or elongate the middle portion of my lip so that function is regained? (photos)

Too much skin has been taken, or maybe I was not a good cadidate. Im so devestated. My philtrum is 13mm now so that is not too bad, but I dont have function, and I have constantly dry mouth because it is sticking out. What can be done to enlargen/elongate my lip,middle part to get lip function back? Also reduce the angle between upper and lower part.