Super Mario Bros. 2

1. SZNESXVK Infinite lives
2. GZELVXSE Infinite life meter (except if you hit a spike)
3. SXUASXOU Quick pick up
4. AEUEKKGL Special "squat" high jumps
5. PPXAOIAA Princess has mega-float
6. PAXAOIAA Princess has mega-float and lunar descent
7. PESEGLGA Super moonjumps for Mario
8. AAEEZGPA Mega moonjumps for Luigi
9. PENALLGA Super moonjumps for Toad
10. PAXAPGGA Super moonjumps for Princess
11. AEXALGZA Speed up enemies
12. GOEANKAO + USEEEKKA Walk backwards
13. XVVANSZK + XVNEXSZV Super turbo running
14. AEVAVIIA + AENEEITA Permanent turbo running
15. AXSETUAO + ESVAPUEV Super fast run for Mario
16. AZEEGKAO + EIEEYKEV Super fast run for Luigi
17. AXNAIUAO + ESNEAUEV Fast run for Toad
18. AZXALKAO + EIXATKEV Super fast run for Princess
19. AXNAZSAA + EVNALSEY Super speed enemies

20. Strong Wart
20A. YESUAPTE
20B. YESLPPTE

21. Strong Birdetta
21A. IAVENYZE
21B. IAVEUYZE

22. Strong Hawkmouth
22A. YEVXVYLE
22B. YEVZNYLE

23. Weak Birdetta
23A. AAVENYZA
23B. AAVEUYZA

24. Birdetta spits eggs instead of fireballs
(appears in late levels of the game)
24A. TPEPLAAX
24B. TONENYAX

25. YAXXIYZE Strong Tryclyde
26. YAVXVGGE Strong Fryguy
27. YAEXTPGE Strong Clawgrip
28. PEEPUZAG + IUEPSZAA + TEEPVZPA Start on World 2
29. ZEEPUZAG + IUEPSZAA + TEEPVZPA Start on World 3
30. LEEPUZAG + IUEPSZAA + TEEPVZPA Start on World 4
31. GEEPUZAG + IUEPSZAA + TEEPVZPA Start on World 5
32. IEEPUZAG + IUEPSZAA + TEEPVZPA Start on World 6
33. TEEPUZAG + IUEPSZAA + TEEPVZPA Start on World 7