I disagree with the premise that HYPSM has represented a compelling, or even an actual, acronym. This isn’t because I’ve not previously bothered to commit these symbols, in this order, to memory (though I have managed to infer the schools symbolized). Instead, it’s because the string does not form a recognizable word, nor, even on its own terms, can it be said to be pronounceable. If anyone wants to add or subtract letters to this string, I’d say go ahead, you could hardly worsen it.
2 Likes