Unicode 5.2
Character
Pinyin XI1 SI1 Jyutping sik1
Cihai, Zhonghua Bookstore, 1983 1147.605

Unicode 12.1
Character
Pinyin Jyutping sik1
Cihai, Zhonghua Bookstore, 1983 1147.605

Records 1 - 2 of 2 retrieved in 51 ms