The term 'SMALL DOG, INFORMALLY' can be represented by two crossword solutions: PEKE (4 letters) and POM (3 letters). Peke is a nickname for the Pekingese breed of small dog, which originated in China and is known for its long, straight coat and flat face. The Pomeranian is another small breed of dog, originating from the region of Pomerania in Central Europe. It is known for its thick double coat and fox-like face.