Related Clues:

• N N N
• Letters resembling tridents
• Letters before xis
• P-like Greek letters
• Delta ___ (Elle Woods and others)
• Frat characters?
• Pitchfork-shaped Greek letters
• Letters after pis
• Greek letters that look like tridents
• Letters before omegas
• They follow pis
• Campus letters
• P's, to Pythagoras
• N N N, to Greeks
• "100" symbols, in Greek numerals