Related Clues:

• Interoffice letters
• How to say ''hurry up'' in a hurry
• Memo header, for short
• Envelope abbreviation
• Really quick
• Letters on many business letters
• Abbr. under an address
• "Quickly!"
• ''Now!'' in a memo
• "Hurry up!" in memos
• Ltrs. in a letter
• "Stat" alternative
• "Yesterday!"
• "By yesterday!"
• Soonest, so to speak