Chakma Vowel Sign Oi (U+2B7A) is a Unicode nonspacing mark from the Chakma block. It resides on Plane 0 (BMP, Basic Multilingual Plane), has bidirectional class NSM (nonspacing mark), is not mirrored, and has combining class 0 (Not Reordered). In HTML it can be written as 𑄰 or 𑄰.