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