Related Clues:

• Dum-Dum's twins?
• Timmy's twins?
• Leading characters in 'Mad Max'
• Summer get-together?
• Typographical units
• Inits. on an ambulance
• 911 response org
• ''Chummy'' couple
• Minimum trio
• Main menu openers
• Option for a 911 dispatcher
• Ambulance crew grp
• Extremes of Marxism?
• Common core
• Printer’s measures