The HSI's primary job is to provide a horizontal reference when you may not have the normal visual cues.
The Hsi River or the Hsi Chiang.
tzu-hsi got scholars to educate her.
Li Hsi-mou was born in 1896.
Li Hsi-mou died in 1975.
Chu Hsi-ning was born in 1927.
Chu Hsi-ning died in 1998.
Cheng Tien-Hsi died in 1970.
Cheng Tien-Hsi was born in 1884.
Hsi Lai Temple was created in 1988.
Chen Wen Hsi died in 1991.
Ta-Chia-hsi revolt happened in 1732.
There are 2 functions that HSI run on. The 2 functions are Etymology and pacing.