Related Clues:

• Greek letters
• Fraternity letters
• Sorority letters
• Detectives, for short
• Ratio symbols
• Math ratios
• Frat letters
• Jumbles
• Circle ratios
• Magnum and others: Abbr.
• Rho preceders
• TV's Magnum and others
• ___ aller (last resort)
• Greek consonants
• Some Greek letters