IT TAKES TWO is a phrase that is often used to describe the need for two people to work together in order to achieve something. The crossword solutions for this phrase are TANGO (5 letters), TREY (4 letters), DUET (4 letters), DUO (3 letters) and TANDEMBICYCLE (13 letters). TANGO is a type of dance that requires two people, TREY is a card game played with three players, DUET is a musical composition for two performers, DUO is a pair of people and a tandem bicycle is a bicycle designed for two people to ride at the same time.