Entering the password [9,7,1,3,8,4,2,6,5] will open an endless Silver Tontie secret level.
The other passwords are obtainable in-game but you can still use them however:
[8,1,6,4,7,5,2,3,9] (good startup)
[9,6,5,8,1,3,4,7,2] (better startup)
[7,2,6,5,3,8,9,4,1] (best startup)
