Cyrillic script consonants from the older Glagolitic alphabet for sounds not found in Greek. Tradition holds that Cyrillic and Glagolitic were formalized either by Saints Cyril and Methodius who brought Christianity to the southern Slavs, or by their disciples. Paul Cubberley posits that although Cyril may have codified and expanded Glagolitic, it was his students in the First Bulgarian Empire under Tsar Simeon the Great that developed Cyrillic from the Greek letters in the 890s as a more suitable script for church books. Later Cyrillic spread among other Slavic peoples, as well as among non-Slavic Vlachs. Cyrillic and Glagolitic were used for
Pegon script Pegon script Pegon is an Arabic alphabet used to write the Javanese and Sundanese languages, as an alternative to the Latin alphabet or the Javanese script and the old Sundanese script. In particular, it was used for religious (Islamic) writing and poetry from the fifteenth century, particularly in writing commentaries of Quran. The word Pegon originated from a Javanese word "pégo", which means "deviate", due to the practice of writing Javanese language with Arabic script, which was considered unconventional by Javanese people. Pegon includes symbols for sounds that are not present in standard Arabic. The main difference between Jawi and