I'm a bit late to this topic, but maybe this might help you further: https://www.namerobot.com/
They have very helpful tools already in the free version.
And if you want it to be really good, you can get even more support for $29 per month (cancelable at any time).
Then... based on the author's name the next series would be:
1: QuizEme1 (as you've told)
2: QuizEme1
3: QuizEme2
4: QuizEme3
5: QuizEme5
6: QuizEme8
... and so on