Bean Soup
["1 1/2 c. pinto beans *", "3 c. water, more if needed", "1 c. tomatoes", "1 medium onion, sliced thin", "1/2 lb. beef sausage, cut in 1-inch pieces", "salt and pepper to taste"]
["*White beans or limas may be used."]
["pinto beans", "water", "tomatoes", "onion", "beef sausage", "salt"]