Phags-pa

Block from U+A840 to U+A87F. This block was introduced in Unicode version 5.0 (2006). It contains 56 codepoints.

The Wikipedia provides the following information on block Phags-pa:

Phags-pa is a Unicode block containing characters from the 'Phags-pa script promulgated as a national script by Kublai Khan. It was used primarily in writing Mongolian and Chinese, although it was intended for the use of all languages of the Mongol Empire.

Chart at Unicode.org (PDF)
Block at Decode Unicode