Bulgarian alphabet been retained in Roman script. The 2012 "Official Orthographic Dictionary of the Bulgarian Language" by the Bulgarian Academy of Sciences permits widely known proper names to remain in their original alphabet. Example sentences are given, all containing names of American IT companies: Yahoo, Microsoft, YouTube, PayPal, Facebook. Bulgarian alphabet The Bulgarian alphabet is used to write the Bulgarian language. In AD 886, the Bulgarian Empire introduced the Glagolitic alphabet, devised by Saints Cyril and Methodius in the 850s. The Glagolitic alphabet was gradually superseded in later centuries by the Cyrillic script, developed around the Preslav Literary School, Bulgaria at the
Sogdian alphabet also includes several diacritics, which were used inconsistently. It is written from right to left, but by the time it had evolved into its child system, the Old Uyghur alphabet, it had been rotated 90 degrees, written vertically in columns from left to right. Voiced and voiceless fricatives are consistently not distinguished in the script. Aramaic logograms also appear in the script, remnants of adapting the Aramaic alphabet to the Sogdian language. These logograms are used mainly for functional words such as pronouns, articles, prepositions, and conjunctions. The Sogdian alphabet was found inscribed in Panjakent, so we can suppose alphabetisation