Small script for amazon polly.
https://us-west-2.console.aws.amazon.com/polly/home/SynthesizeSpeech
For lexicon:
For prosody:
https://www.w3.org/TR/2010/REC-speech-synthesis11-20100907/#S3.2
Example of result:
https://audioboom.com/posts/5408377-interstellar-journey-part-2