Bishop Diego de Landa asked his native informants on how to write "a", "b", "c", and so forth, in Maya. The Mayas, on the other hand, heard the syllables "ah", "beh", "seh" (as "a", "b" and "c" would be pronounced in Spanish), and so forth, and naturally gave the glyphs with these phonetic values. So, in a sense, Landa recorded a very small section of the Maya syllabary, and the Mayanist equivalent of the Rosetta Stone. www.ancientscripts.com/maya.html
Syllabary The Maya writing system had an extensive set of phonetic signs that represented syllables rather than individual sounds like in alphabetic systems. The following is a subset of signs in the syllabary:
Statue of Bakenranef, known by the ancient Greeks as Bocchoris, was briefly a king of the Twenty-fourth dynasty of Egypt. Based at Sais in the western Delta, he ruled Lower Egypt from c. 725 to 720 BC. Shabaka deposed and executed Bakenranef by burning him alive at the stake which effectively ended the short-lived 24th Dynasty of Egypt as a potential rival to the Napatan 25th Dynasty.