Serial Poetry: 14-Vowel-Sound Poetry
A serial form using each of the 14 phonetic English vowel sounds exactly once before any can be used again. This is slippery, and regional accents may apply, but it is worth a try. One could also stick to fewer than 14.
Source
Dominique Fitzpatrick-O'Dinn
Examples
“twenty consonant writing—a joy—should count as law school”.