Billy Button
Billy Button bought a buttered biscuit. Did Billy Button buy a buttered biscuit? If Billy Button bought a buttered biscuit, Where's the buttered biscuit Billy Button bought?
Notice the sounds
Keep the repeated /b/ clear without adding a vowel before it. Bought and buy change between lines, so follow the wording as well as the rhythm.
Words in this expression
Source
Peter Piper's Practical Principles of Plain and Perfect Pronunciation (1836)Public domain in the United States; the pinned source includes the Project Gutenberg license.