Tajik alphabet and . (Note that and are switched relative to their usage in the Turkish alphabet, which has formed the basis for other Latin scripts in the former Soviet Union.) The unusual character is called "Gha" and represents the phoneme . The character is found in the Common Turkic Alphabet in which most non-Slavic languages of the Soviet Union were written until the late 1930s. The Latin alphabet is not used today, although its adoption is advocated by certain groups. The Cyrillic script was introduced in Tajik Soviet Socialist Republic in the late 1930s, replacing the Latin script that had been
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