imoga-pride:

For being both binary and xenogender or xenoic; when you’re binary but xenogender(s) can also describe your gender experience; a form of being xenic and binaryvast/vastbinary (vastgender binary or binary xenogender).

Xenbinary could also be a word for it, or simply xenogender binary or binary xenogender. Xenobinary is something else. Xenibinary could be specifically xenic or xenine. Xinbinary for being XIN(gender) (xen in nature).