Ninja Gaiden 3: The Ancient Ship of Doom

Level passwords (Japanese version)
1 SRHJ
2 SHRS
3 JSHR
4 HJSR
5 RSHJ
6 RRJH
7 HJRS

Key
R: Ryu's face
J: Blue Japanese written character
H: Health potion
S: Shuriken
Note: There are no passwords in the North American version of the game.