How to say it shorter

Some of today´s texting terminology:

121 - One Two One
2G2BT - Too Good To Be True
AATK - Always At The Keyboard
ADAD - Another Day Another Dollar
AISI - As I See It
AYK - As You Know
FYI - For Your Information
B4N - By For Now
BRB - Be Right Back
CTO - Check This Out
JK - Just Kidding
NTW - Not To Worry