This fondly reminds me of my sorority days and I'm lovin' it. TOTV would translate in Greek to Tau Omega Tau V (since there is no Greek V)...don't like that much. But I do like the sound of Chi Pi Sigma...could even shorten it to the Chi Pi's. Sorta sounds like cow pies but what the heck... ;D I can imagine t-shirts with TOTV Chi Pi's...wouldn't that be something? And it'd look like this:
TOTV
ΧΠΣ