i got pulled away for a bit - but i assume those two words were bolded deliberately, and yeah, they share letters. (4, actually, but if 3 suffice to make the unions, cool)
Found it
http://sla.ckers.org/forum/read.php?24,33349
http://security.bleurgh.net/javascript-without-letters-or-numbers
http://sla.ckers.org/forum/read.php?24,28687
Converter to convert normal JS into brackets only JS:
http://utf-8.jp/public/jjencode.html
NO. I WILL NOT WAIT. SOLVING THIS REBUS IS THE HIGHEST PRIORITY THING FOR ALL OF US. WHAT'S WRONG WITH YOU. I QUESTION YOUR LOYALTY AND DEDICATION. MY CAPS LOCK IS ANGRY. I CAN'T BELIEVE YOU ARE MAKING US WAIT. TAP. TAP. TAP. THAT'S THE SOUND OF MY FOOT TAPPING. "YOU HEAR, MY FOOT'S SOUND, INITIALLY TYMPANIC AND PETULANT. (3)" COME ON DAMN YOU.
wow. that was actually both painful and cathartic.