\magnification \magstep 5

\font \TibetanSans = "Noto Sans Tibetan Bold"
\font \Tibetan = "Noto Serif Tibetan Bold"

\def \TibetanText {ཕེབས་པར་དགའ་བསུ་ཞུ།}
\centerline {\TibetanSans \TibetanText}
\centerline {\Tibetan \TibetanText}

\end