As it says on the can. Also:
“Dictionary is based on a variety of sources, including Diane Duane’s novels and the work of the Institute of Ra'tleihfi Department of Xenosociology lexicon Romulan Dictionary - . It is available for download: PC and open source versions.
To generate a block of ‘Rihansu Text’ per Diane Duane’s original algorithm click here.
Romulan Message Generator - short program from Diane Duane’s web site to generate Romulan message texts. Includes Windows 9x executable and C source.”
Huh! Feels like cheating–but I bet it was a hell of a lot faster!