Runic Letter Short-twig-ar A (U+16C6) is a Unicode other letter from the Runic 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 ᛆ or ᛆ.