make a list of the words/phrases you want
make a list of how you want each one to be siad (excited, sombre, angry, happy, elated, etc)
make a list of the voice types you want (male low, male midlle, male high), femlae low, female middle, female high, child (meaning pre-teen) etc)
Then let's see what I and others here can do - i.e. let's make this an fp project to share to members of fp