Related Clues:

• P, on a fraternity house
• Sigma neighbor
• Sigma follows it
• Christogram part
• Christogram component, sometimes
• Windy City abbr.
• Twenty-second letter of the Greek alphabet
• Cubs, on scoreboards
• Aristotle's P
• Tai ___ (exercise method)
• Letter in Socrates' name
• Greek letter X
• Sox home, for short
• Letter between phi and psi
• "P" on fraternity row