Dujui language

Dujui is an Ottaborta language spoken in the Dujui state of Ottaborta Autonomous Republic. It is spoken by approximately 1,039,222 people.

Writing system
Ancient Dujui and Middle Dujui used Chinese characters as the preferred writing system. In 1879, Liftlandian linguists began to use Latin script to transcribe Middle Dujui. This led to the development of the present-day Latin alphabet. In 1899, a Latin alphabet was reformed and came into use in 1910. Almost all of the publications are printed using Chinese characters in 1908, then the use of Chinese characters was downgraded to 85% in 1912, then 74.4% in 1913, 62% in 1914 (in 1915 it is the same), 57.5% in 1916, 32% in 1918, 10% in 1920, and by 1922, there are no more books printed in Chinese characters, with the use of Latin alphabet for publication appeared 98.8% all the time.

Middle Dujui Latin alphabet
a ă å â b bj c ĉ ch d đ e ê ë g ĝ gi h ĥ hm hn hng i î ï iu j ĵ k l ł m mm n ng ngm ngng nj o ô ơ p ph pp q r s sh t th u û ư v x y ŷ ʕ ʔ

In uppercase,

A Ă Å Â B Bj C Ĉ Ch D Đ E Ê Ë G Ĝ Gi H Ĥ Hm Hn Hng I Î Ï IU J Ĵ K L Ł M Mm N Ng Ngm Ngng Nj O Ô Ơ P Ph Pp Q R S Sh T Th Tsh U Û Ư V X Y Ŷ ʕ ʔ

The letter " bj " is called "BJ with overbar". The tetragraph "ngng" was consisdered a separate letter of the alphabet.