Related Clues:
- Trigonometric ratios
- Sigmoid curves
- 19th letters
- The 36 of a famous measurement
- Letters that create hurdles for lispers
- Squiggly shapes
- Mississippi quartet?
- Letters before tees
- More than a third of Mississippi
- Sassafras quartet
- 'Sissy,' mostly
- Assessment quartet
- Ends of sandwiches?
- Alpine curves
- Hula swivelers