well, for passwords you need the same username as me. Which is yum. But here are some shop keeper codes!
press the A button 3 times fastly to make the shopkeeper look suprised and nurvos! then type in these codes:
Steak: Press B, C, A, B, A, C, B, C
Cuckoo clock: Press C, B, A, C, C, A, B, C
RC Car 2: Press A, A, B, B, C, A, C, B
Stuffed animal: Press C, A, C, A, B, A, B, C
Hair gel: Press A, C, B, B, B, A, C, C
Love potion (honey): Press B, C, B, C, C, A, B, A.
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here is another code that does work without the same username!: 32479 91490
also: 63532 86367