br = left bracket
ld = long date (DayName, MonthName DayNumber, YearNumber)
lt = long time (HH:MM:SS AM/PM)
mynumber = your Blackberry phone number
mypin = your Blackberry PIN number
myver = Blackberry Model Number/OS Version Number
rb = right bracket
sig = the address information from Owner setting in Options
usrid = the name information from Owner setting in Options
You can setup any auto text entries you want, and they can be as long as you want. I have multiple multi line signature blocks set as aaa, bbb, ccc, etc.
I also like to abbreviate aa to be "&" and zz to be "$", as I use these symbols often.