The term 'SMALL DOG, FOR SHORT' can be summarized by two crossword solutions: PEKE (4 letters) and POM (3 letters). PEKE is a type of small dog that originated in China and is known for its long, silky coat. POM is a type of small dog that originated in the Arctic region and is known for its thick, double coat. Both types of dogs are popular as companion animals due to their small size and friendly personalities.