Unicode 5.2
Character
Pinyin AO2 AO1 Jyutping ngou4
Xiandai Hanyu Cidian 0011.010 : āo

Unicode 12.1
Character
Pinyin āo Jyutping ngou4
Xiandai Hanyu Cidian 0011.010 : āo

Records 1 - 2 of 2 retrieved in 55 ms