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Related Clues:
- Letter is all Greek for mid-teen moronic type
- Sigma's predecessor
- Another fraternity letter
- Sorority character
- Greek letter that sounds like the end of 16-, 22-, 36-, 47- or 58-Across
- Seventeenth letter of the Greek alphabet
- 17th letter of the Greek alphabet
- Original opening to Homer's 'Odyssey'?
- Pi neighbor
- Frat row letter
- P on campus
- Symbol of mass density
- P, on a frat house
- Greek for "little O"
- Head of Olympus?