The term 'Black and ___' can refer to three different dog breeds: the 3-letter breed TAN, the 4-letter breed APSO, and the 5-letter breed CORGI. The TAN breed is a small breed of dog that originated in China and is known for its long, silky coat. The APSO breed is a Tibetan breed of dog that is known for its long, shaggy coat and its loyalty. The CORGI breed is a Welsh breed of dog that is known for its short legs and its intelligence. All three breeds are considered to be loyal and friendly companions.