Newa Vowel Sign Au (U+2CB1) is a Unicode spacing combining mark from the Newa block. It resides on Plane 0 (BMP, Basic Multilingual Plane), has bidirectional class L (left-to-right), is not mirrored, and has combining class 0 (Not Reordered). In HTML it can be written as 𑑁 or 𑑁.