Greek sandwiches are a popular type of sandwich that originated in Greece. Gyros, which is five letters long, is a type of Greek sandwich made with pork, chicken, or lamb that is cooked on a vertical rotisserie. CANAL, also five letters long, is another type of Greek sandwich made with a variety of fillings such as feta cheese, tomatoes, and onions. Both gyros and CANAL are popular Greek sandwiches that can be found in many restaurants around the world.