Wallets
Collect the wallet in the garbage in Eddy’s office. Exit the building and collect the wallet on the sidewalk. Re-enter the building and collect another wallet from the garbage. Repeat this process to collect up to nine wallets.

Level Passwords for NES Cartridge Version

Status                       Password
Most Items:                  LLHHHHHH-ODHHOH-HHHHHHGZ  
All Items Except Hole:       LLHHHHHH-DHH3HH-HHHHHHD9  
All Items Except Dynamite:   LLHHHHHH-HHHHHH-HHHHHH3B

Level Passwords for Famicom Disk Version

Level   Password
02      SZWS  
03      ZS2S  
04      ZZPS  
05      SW3S  
06      SXES  
07      ZW4S  
08      ZX9S  
09      WSRS  
10      WZFS  
11      XSJS  
12      XZKS  
13      WWMS  
14      WXCS  
15      XWAS  
16      XXOS  
17      S2SZ  
18      STWZ  
19      Z22Z  
20      ZTPZ