The following are the passwords used to quickly reach their corresponding level:
Splatterhouse 2:
Level 2: EDK NAI ZOL LDL
Level 3: IDO GEM IAL LDL
Level 4: ADE XOE ZOL OME
Level 5: EFH VEI RAG ORD
Level 6: ADE NAI WRA LKA
Level 7: EFG XOE IAL LDL
Level 8: EDK VEI IAL LDL