[ahupp]

With o3-mini-high (just the last paragraph):

civilization Mycenaean the of practices religious and economic, administrative the into insights invaluable provides and B Linear as known script the in recorded was language Greek the of form attested earliest The

[globnomulous]

Oh, interesting, what do you get when you specify that the letters need to be reversed, too? (That was what I meant and the original prompt explicitly stated that requirement. I forgot to include it in the summary of my 'test' here.)