GXVYPZVI        Infinite lives
PAOYIILA        Start with 1 life
TAOYIILA        Start with 6 lives
PAOYIILE        Start with 9 lives
AAUNLIPP        Infinite missiles
GZXYZTVI        Infinite bombs
TENNPZLA        Start with double bombs
PENNPZLE        Start with triple bombs
ZANYGSZA        Autofire!