The crossword solutions for the term 'SO, IT'S YOU!' are AHA and OHO. AHA is an interjection used to express surprise, realization, or recognition. It is often used when one has just figured out a solution to a problem. OHO is another interjection that is used to express surprise or realization. It is similar to AHA but is usually used when one has just realized something that they did not know before.