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
Phoenician alphabet Siloam Hebrew, Hebrew seals, Ammonite, Moabite, and Punic. The letters are encoded U+10900 "aleph" through to U+10915 "taw", U+10916 , U+10917 , U+10918 and U+10919 encode the numerals 1, 10, 20 and 100 respectively and U+1091F is the word separator. The following Unicode-related documents record the purpose and process of defining specific characters in the Phoenician block: The Paleo-Hebrew alphabet, used to write early Hebrew, was a regional offshoot of Phoenician; it is nearly identical to the Phoenician one (in many early writings it is impossible to distinguish between the two). The Samaritan alphabet, used by the Samaritans, is a