History of the alphabet many letters the Proto-Sinaitic alphabet had nor what their alphabetic order was. Among its descendants, the Ugaritic alphabet had 27 consonants, the South Arabian alphabets had 29, and the Phoenician alphabet 22. These scripts were arranged in two orders, an "ABGDE" order in Phoenician and an "HMĦLQ" order in the south; Ugaritic preserved both orders. Both sequences proved remarkably stable among the descendants of these scripts. The letter names proved stable among the many descendants of Phoenician, including Samaritan, Aramaic, Syriac, Arabic, Hebrew, and Greek alphabet. However, they were largely abandoned in Tifinagh, Latin and Cyrillic. The letter sequence continued
About the Mystery of the Letters Father respectively. The final chapters of the treatise engage in speculation about more general topics, including the history of mankind – whose key events are related symbolically to the sequence of vowels and consonants in the alphabet –, a discussion of Christology dealing with issues related to the Council of Chalcedon, and reflections upon the name of "Adam". About the Mystery of the Letters About the Mystery of the Letters (, "Peri tou mystēriou tōn grammatōn") is an anonymous Christian treatise containing a mystical doctrine about the names and forms of the Greek and Hebrew letters. It was probably written