? Ugrian languages (which exist in Europe as well, Finno-Ugric arrived in Europe thanks to the Huns, in Finland and Hungary). Dunno about the writing system of these tribes.
Actually, the Huns were likely Turkic, not Finno-Ugric.
Man,...I have been touring the Urals....beautiful mountains...
I started with the Huns...and one thing led to another....