My favorite is Javanese where the alphabet order forms a poem about two emissaries killing each other: https://en.m.wikipedia.org/wiki/Javanese_script
"The first record of its existence dates from 1079. It is famous because it is a perfect pangram, containing each character of the Japanese syllabary exactly once. Because of this, it is also used as an ordering for the syllabary, in the same way as the A, B, C, D... sequence of the Latin alphabet."
"c w m f j o,
r d b a n-k-g-l-y.
p h s,
v e x,
t q u, i and z"