About the Mystery of the Letters divine creation in the biblical Creation according to Genesis, and of 22 corresponding works of salvation by Christ, elaborating this theory through descriptions of the various letters and interpretations of their shapes. This is followed by an account of the history of the alphabet, which weaves together elements of Greek mythology and the Hebrew Bible as well as several Jewish and pagan texts: according to this account, the Hebrew alphabet was first handed down to mankind by divine inspiration during the generation of Enoch, but was lost during the Confusion of Tongues. God subsequently revealed the Greek alphabet on a
Hebrew alphabet with a niqqud symbol – a vowel diacritic (whether or not the diacritic is marked), whereas and ע are considered to be mute, their role being purely indicative of the non-marked vowel. "Niqqud" is the system of dots that help determine vowels and consonants. In Hebrew, all forms of "niqqud" are often omitted in writing, except for children's books, prayer books, poetry, foreign words, and words which would be ambiguous to pronounce. Israeli Hebrew has five vowel phonemes, , but many more written symbols for them: By adding a vertical line (called "Meteg") underneath the letter and to the left