Glyphs not started with uni

when I generate glyphs, I got some glyphs like this, not started with uni.
what are they classified into?
屏幕快照 2022-05-07 下午4.58.43

This according to the glyph naming convention by Adobe: when the Unicode code point has four digits or less, the prefix uni is used. For five or more digits, just u is used instead.

For example: