However, there's no specific vowel that was "made" in the story. It's possible you're thinking of a different aspect of the story, like:
* The rhyming scheme: Beatrix Potter's stories, including "The Tale of Peter Rabbit," often use rhyming schemes, like AABB, which create a specific sound and rhythm.
* Alliteration: Using words that start with the same sound can also be a feature of the story, creating a playful and memorable effect.
To help me understand your question better, could you please rephrase it or provide more context?