Related Clues:
- Handed out cards, dropping a letter
- It's around the mouth
- Structure with a spillway
- Hoover, notably
- Mississippi formation
- D, in Greece
- For openers, don't ask me to hold back
- 'Keep climbing' sloganeer
- Deposit at a river's mouth
- Southwest competitor
- Daedalus started with this sort of wing
- Letter was primary in returning thanks
- Greek D
- Wall restraining water
- Mouth a letter