Padraic Brown:

> > Er. The Nazgul were Men, at least three Numenoreans. Perhaps you
> > mean the Uruk-hai.

Danny Wier:

> Yeah, that's it. Or whoever spoke Black Speech. (I like their style of
> writing Tengwar myself...)

IIRC, The Nazgūl spoke the Black Speech. Sauron wanted all of
his creatures to speak it, but the rest were to stupid to learn it.