\documentclass{article}
\newfont{\ajo}{teng-ajo at 10pt}
\catcode`\_=12 \catcode`\~=12 \catcode`\^=12
\catcode`\$=12 \catcode`\#=12 \catcode`\&=12
\begin{document}
  Let's try having a strange motto
{\ajo ~C 1FaF iT5^t$ zF1;D6 zF5lE5$5--}
here.

And {\ajo qHjT5 t#1F 9�Fj�R- `Mt$ 5\%5 9D65#8--} again.

And {\ajo lE� j.D7T`V jE4E6 jE,T i&J7T5$5--} again.

And {\ajo lEh�E `V7R2\%j `VjR5\%`N5 `Cf#jTt#�} again.

Mixing tengwar with roman letters from the Computer Modern family:
ap{\ajo HjT5}ple, ora{\ajo VjR5\%`N}nge, b{\ajo 9Fj-}:anana,
d{\ajo f}og, cat.
\end{document}
