Findings:

printable version

Here's the stuff we found when you searched for "tr///"

Très Riches Heures
T$R
Tré Cool
TRS
tred (user)
Erkki-Sven Tüür
TRR
tr (user)
TR Spivey (user)
trs (user)
TR Spivey_root (category)
TR

If you Log in you could create a "tr///" node. If you don't already have an account, you can Create A New User...