Spanish Galician Soup

Name: Spanish Galician Soup
Cuisine: European, Mediterranean, Spanish
Ingredients: 200 g dried white beans (such as navy or cannellini), soaked overnight and drained; 1 large piece (200 g) of salted pork or ham bone, rinsed; 200 g cured chorizo sausage, sliced; 1 large potato, peeled and diced; 1 small turnip, peeled and diced; 1 bunch (about 200 g) Galician grelos or collard greens, chopped (substitute kale if unavailable); 1 medium onion, chopped; 2 cloves garlic, minced; 2 tbsp olive oil; Salt and black pepper to taste; 2 litres water