Related Clues:
- 'Do,' e.g., but not 'don't'
- Message school sent back
- F-sharp, for one
- Line on a card, perhaps
- Do for one!
- Sticky item in an office
- Cocktail napkin jotting
- Some secret, one turning up in short letter?
- Piece of music?
- Piece of a piece?
- A, B, C or D, say -- but ___?
- Mini left in no time - it's a record
- Short letter, never English
- Observe public school is on the way up
- Memo to oneself, perhaps