During the act, you don’t need to say much, but as he’s getting closer and closer to cumming, you can start moaning and using a few words to intensify the feeling for your man. Here are a few examples:
“Yes” “Yeah” “Yes baby”
“Mmmmmmmmm” “Ooooooooooo”
“I’m going to cum” “You’re going to make me cum”
“Just like that, just like that”