Clue: Gambler's memo

Answer: IOU

Length: 3

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Similar Clues:

• Gambler's stake (e.g. ANTE with 4 letters)
• Gambler's stakes (ANTES with 5 letters)
• Memo sign-off (ASAP with 4 letters)
• Memo shortcut (ASAP with 4 letters)
• Lickety-split, in a memo (ASAP with 4 letters)
• Memo starter (e.g. ASTO with 4 letters)
• Memo start (e.g. ASTO with 4 letters)
• Memo header, for short (ATTN with 4 letters)
• Start of a memo heading (ATTN with 4 letters)
• Memo starter: Abbr. (ATTN with 4 letters)