Unified Han Character Definitions Page U+28E00.

Code	Char	Description
U+28E1A	𨸚	series, rank, grade
U+28E2C	𨸬	battle-field, battle array
U+28EB9	𨺹	mournful, narrow; used for U+6E6B 湫
U+28EF2	𨻲	a crack, fissure
U+28EF6	𨻶	a crevise, fissure; time, leisure; unpreparedness