In case you missed it, we don't need the acronym at all. We already have one word that describes us all in any form that takes, and making an acronym that is overly long and extends/contracts depending on the whims of the writer is overly complicated and defeats the purpose of having an acronym.
Also, funny how you aren't going to argue the point that the inclusion of two spirits is controversial within the native American community itself, when that was the point you jumped at me with.