Combining Latin Small Letter Beta (U+1DE9) is a Unicode nonspacing mark from the Combining Diacritical Marks Supplement block. It resides on Plane 0 (BMP, Basic Multilingual Plane), has bidirectional class NSM (nonspacing mark), is not mirrored, and has combining class 230 (Above). In HTML it can be written as ᷩ or ᷩ.