Enter them at the password screen:

Two energy tanks at the start of the game
E4, Red

One Energy Tank at the start of the game
E6, Red

Three energy tanks at the start of the game
B4, Red

Four energy tanks at the start of the game
A5, Red

Five energy tanks at the start of the game
C1, Red

Six energy tanks at the start of the game
D2, Red

Seven energy tanks at the start of the game
C3, Red

Eight energy tanks at the start of the game
F2, Red

Nine energy tanks at the start of the game
A6, Red

Gemini Man defeated with 9 E-tanks
A6,B5, Red

Hard Man defeated with 9 E-tanks
A6,C4, Red

Magnet Man defeated with 9 E-tanks
A6,F5, Red

Needle Man defeated with 9 E-tanks
A6,D3, Red

Shadow Man defeated with 9 E-tanks
A6,D6, Red

Snake Man defeated with 9 E-tanks
A6,F6, Red

Spark Man defeated with 9 E-tanks
A6,F4, Red

Top Man defeated with 9 E-tanks
A3,A6, Red

Gemini Man defeated
Red:A3,C5,F5; Blue:B5,F4

Hard Man defeated
Red:A3,C4,C5,F5; Blue:F4

Magnet Man defeated
Red:A3,B5,F5; Blue:F4

Needle Man defeated
Red:A3,E6; Blue:B5,D3,F4

Shadow Man defeated
Red:A3,C5,D6

Snake Man defeated
Red:C5; Blue:A3,B5,D3,F4

Spark Man defeated
Red:A3,C5; Blue:F4

Top Man defeated
Red:A3,C5