The term 'CAUGHT YOU!' can be expressed in a variety of ways, such as AHA (3 letters), BUSTED (6 letters), HAH (3 letters), and OHO (3 letters). These are all expressions of surprise or triumph when someone has been caught doing something they shouldn't have. AHA is an expression of surprise or realization, BUSTED is an informal way of saying someone has been caught, HAH is an expression of triumph, and OHO is an expression of surprise or realization. All of these expressions are used to indicate that someone has been caught in the act.