About the Mystery of the Letters the mid-6th century, in which Mar Saba had played an important role. The anonymous author of the treatise declares he was prompted to the study of the secret meanings of the letters by the words of the Apocalypse, "I am the Alpha and Omega", and that he subsequently received a vision about them on Mount Sinai. The author proposes a re-modelled Greek alphabet reduced to 22 letters on the model of the 22 letters of Hebrew (discounting Xi Ξ and Psi Ψ), and with the Hebrew letter names. He then interprets these letters as symbolic figures of 22 works of
Paleo-Hebrew alphabet third opinion was accepted by some early Jewish scholars, and rejected by others, partially because it was permitted to write the Torah in Greek. The Paleo-Hebrew script has been recently revived for specific use in several Sacred Name Bibles: including "Zikarown Say’fer", "The Besorah" and the "Halleluyah Scriptures". These translations use it for writing the Tetragrammaton and other divine names, incorporating these names written in this script in the midst of the English text. The Paleo-Hebrew alphabet was unified with the Phoenician alphabet and added to the Unicode Standard in July, 2006 with the release of version 5.0. The Unicode