After you have visited Hell's Pawn VIP are for the first time you can try to access other parts of Prune HQ.
This is the low-spoiler guide for "Access to other parts of the Prune HQ" puzzle in Leisure Suit Larry - Wet Dreams Don't Dry. Unlike in normal walkthrough, you get gradual hints on how to solve the puzzle. Click the big button below to see your first hint. If the hint contains a spoiler, you will be warned about it before clicking.