TRIGODS - god mode
TRISHLD - shield 100%
3DREALM - powerup weapons
TRINEXT - next level
TRIHOVR - hover while firing
TRIBURN - speed up afterburners
MANIACS - 1000 afterburner
TRSCOPE - Oscilloscope
TRFRAME - show frames per second
TRIFIR0 - temporary god mode
TRIFIR1 - PAC
TRIFIR2 - ION
TRIFIR3 - RTL
TRIFIR4 - MAM
TRIFIR5 - SAD
TRIFIR6 - SWT
TRIFIR7 - DAM
TRIFIR8 - 200 afterburner
TRIFIR9 - temporary invisibility

Thanks to Revolution readers N. Hoffman and Keith Wasserman!!