Related Clues:

• Reminder to repay
• Letters from a poor gambler
• Note from a short person?
• All-vowel vow
• Signed notes
• Note to a creditor
• Indication of being short, for short
• Promise of a future payment
• Shy person's note?
• Simple promissory note
• Letters for one in the hole?
• Written promise of a sort
• Note from a busted card player
• Promise-to-pay note
• Note in a kitty, perhaps