Related Clues:

• Abbr. before the name of a memo recipient
• 'Pronto' in a memo
• Now, in a memo
• Bus. envelope abbr.
• Order from a hustler
• Memo letters, sometimes
• Business envelope abbr.
• ''I need it yesterday!''
• ''Chop-chop''
• Rush job letters
• "Rush!"
• Urgent order
• Ltr. routing aid
• 'And fast!'
• Rush order