Heat oil in a large pot over medium heat. Add the ham and chorizo cooking for 2 to 3 minutes. Add onion, and cook until tender. Add garlic, cooking until tender. Add water, peppers, canned tomatoes with juice and sweet potato. Bring to a boil, and then reduce
to low heat. Simmer
, covered until sweet potatoes are tender, about 15 minutes. Add the beans, and cook uncovered, stirring until cooked through. Add the salt, mango, and cilantro.