Related Clues:

• Set of three
• Chinese secret society
• It includes a third and a fifth
• "Charlie's Angels" are one
• Up to date
• Chinese gang
• Musical chord, e.g.
• Three of a kind
• Type of chord
• Basic chord
• Three-tone chord
• C-E-G chord, e.g.
• Union of three
• Common musical chord
• Time to organise raid to expose criminal gang