What language do hadanasani confederacy speak?

The term "Hadanasani Confederacy" does not appear to be a recognized historical or cultural entity. It's possible you might have a typo or are referring to a specific group with a different name.

To help me assist you further, please provide more information:

* Could you clarify the name of the group you are asking about?

* Do you have any other details about their location, time period, or culture?

With more context, I can help you identify the language spoken by the group you're interested in.