- - It follows upsilon and precedes chi
- - letter between upsilon and chi in the greek alphabet
- - Greek character's exclamation of distaste for listeners
- - Beta preceder in the fraternity group
- - Greek letter before chi
- - First letter of the academic honor society
- - Greek letter between upsilon and chi
- - Measure of acidity one found in Greek character
- - "Golden ratio" symbol which is an anagram of "hip"
- - When repeated, it's the name of an island group in Thailand
- - symbol of euler's totient function
- - Greek letter, or the first three letters of a Pennsylvania city
- - 21st letter of the Greek alphabet
- - Part of a fraternity name
- - Symbol of latitude
- - N.L. East champs of '07 and '08
- - Letter that resembles the "y" of Disney's signature
- - Symbol of electric flux
- - Symbol of the golden ratio
- - 21st of 24
- - Twenty-first letter of the Greek alphabet
- - 21st chapter of a frat
- - #21 of 24
- - 21st of 24 letters
- - Letter before chi
- - Preceder of chi
- - 21st in a series of 24
- - Letter of the Greek alphabet
- - Follower of upsilon
- - One of five rhyming Greek letters
- - Chi follows it
- - Letter between upsilon and chi
- - Part of PBK
- - Beta preceder
- - Chi preceder
- - "Chi" lead-in
- - ... Beta Kappa
- - The 76ers, on scoreboards
- - The Flyers or 76ers, on scoreboards
- - ...... beta kappa (society begun in 1776)
- - ... Beta Kappa (oldest academic honor society)
- - Greek letter a bit like F
- - The NHL's Flyers on scoreboards
- - It's written as a vertical line bisecting a circle
- - The Sixers or Eagles, on scoreboards
- - Letter on a sorority sister's T-shirt, perhaps
- - ancient excerpt from aristophanes
- - Eagles in crawls
- - honor society starter
- - Letter for Socrates
- - Zeta ... Beta
- - 21st letter in the greek alphabet, transliterated as ph or f
- - The NFL's Eagles on a sports news crawl
- - When doubled, an island group in Thailand
- - Letter for Plato
- - Hard to divide irrational number? Here's letter
- - When repeated it's an island group in Thailand
- - ... Beta Kappa, academic honor society in the USA
- - Letter from Greece seen repeatedly in Philadelphia
- - ... Beta Kappa (academic society)
- - Fraternity letter after "upsilon"
- - ... Beta Kappa, the most prestigious academic honor society in the United States
- - Greek letter pronounced 'F'
- - Letter two after tau
- - data protected by hipaa (abbrev.)
- - 21st Greek character
- - When repeated twice, an island group in Thailand
- - ...... Beta Kappa (college honor society)
- - Common fraternity letter
- - Letter voiced by a Greek giant?
- - ...... Beta Kappa (students' honor society)
- - WAS opponent, in the NL East
- - Upsilon chaser
- - The NFL's Eagles, on scoreboards
- - The golden ratio symbol
- - Symbol used to measure a roll angle in flight dynamics
- - Symbol used in spherical coordinates
- - Sixers, on a scoreboard
- - Scholastic society letter
- - Rocky's hometown, for short
- - NFC East team, in trackers
- - Magnetic flux symbol in physics
- - Lincoln Financial Field team, briefly
- - Letter on a certain key
- - Letter from Pharos
- - Letter before Beta in a society's name
- - It's roughly 1.618
- - Honor society character
- - Homophone for fie
- - Greek letter, equivalent to F
- - Greek letter after upsilon
- - Greek fricative
- - Golden Ratio's Greek symbol
- - Frat character
- - Fourth-to-last Greek letter
- - Flyers, on a scoreboard
- - First Greek letter in "Phobos"
- - Fie's homophone
- - F as in Greece
- - Euler's .... function
- - City where "Silver Linings Playbook" takes place: Abbr.
- - Apt Greek letter for a Penn frat name
- - After upsilon
- - 76ers, in chyrons
- - ...... phenomenon (optical illusion)
- - ...... Bete (honor-society member, for short)
- - ...... Beta Kapppa
- - ...... Beta Kappa (scholars' group)
- - ...... Beta Kappa (academic honor society)
- - ...... Beta Kappa (academic honor group)
- - Fraternity letter, perhaps
- - Letter from Athens
- - Key word
- - ..., beta, gamma
- - Strolling site
- - Letter from Greece
- - Key opener
- - Sorority character
- - Greek symbol in the Golden Ratio
- - 21st Greek letter
- - 76ers, on scoreboards
- - Golden ratio symbol
- - Letter after upsilon
- - Pair ending up with one letter from abroad
- - Upsilon follower
- - 21st 92 Across letter
- - Honor society letter
- - Symbol for the golden ratio
- - Key letter
- - Greek letter pronounced as f
- - Greek letter that looks like an I and O superimposed
- - Pa. MLB city
- - Greek letter spoken as f
- - Eagles, for short
- - Greek character in Shorter Collins?
- - Electric flux symbol
- - The Eagles, on scoreboards
- - Magnetic flux symbol
- - Greek letter that represents the golden ratio
- - College key letter
- - "Beta Kappa" head
- - Greek letter F
- - Letter before 11 Down
- - Letter in an honor society's name
- - Greek letter in previous answer
- - Letter on some gold keys
- - Letter three before 15-Across
- - The Eagles, for short
- - Honor society leader?
- - ...... Bete (honor society member, informally)
- - The Phillies, on scoreboards
- - Greek letter sounding f
- - Greek F
- - Upsilon's follower
- - Upsilon's successor
- - Feta was originally spelled with one
- - The NFL's Eagles, on a scoreboard
- - Letter that rhymes with the two that follow it
- - "Fie" homophone
- - Greek letter that's also an M.L.B. city on scoreboards
- - Symbol representing the golden ratio
- - Greek letter that sounds like "f"
- - The Golden Ratio
- - Letter in some fraternity names
- - Letter in sorority names
- - Letter on an honor society key
- - Another fraternity letter
- - A sorority letter
- - The Eagles, on a scoreboard
- - NYG NFL rival
- - Letter one before 28-Down
- - It looks like an omicron with an iota through it
- - It looks like an omicron and iota superimposed
- - Letter seen twice in Philadelphia
- - F in Greek
- - Greek symbol for the golden ratio
- - Greek letter associated with the 33-Across
- - 21st letter
- - Letter on a key
- - Eagles, on scoreboards
- - Letter that represents the Golden Ratio
- - ...... Beta Kappa (honor society)
- - NFC East team
- - Fraternity character
- - Bete ......
- - Letter that rhymes with its two successors
- - Greek consonant
- - Fraternity letter
- - Angle symbol
- - Dr
- - Sorority letter
- - Frat letter
- - Greek letter
- - NL East team
- - N.L. East team, on scoreboards
- - N.L. East team
- - The NBA's Sixers, on scoreboards [Abbr]
- - Twenty-first Greek letter
- - Highly acidic character
- - symbol for magnetic flux
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