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
Turkish alphabet "ye", "ze" The letters "h" and "k" are sometimes named "ha" and "ka" (as in German), especially in acronyms such as CHP, KKTC and TSK. However, the Turkish Language Association advises against this usage. Turkish orthography is highly regular and a word's pronunciation is usually identified by its spelling. The following table presents the Turkish letters, the sounds they correspond to in International Phonetic Alphabet and how these can be approximated more or less by an English speaker. The earliest known Turkish alphabet is the Orkhon script, also known as the Old Turkic alphabet, the first surviving evidence of which