Sausage Orzo Soup

1 lb sweet Italian sausage 

1 box chicken broth

2 1/2 cups water

1 cup orzo

1 cup chopped carrots

3 stalks chopped celery

1/8 cup chopped onion

1 TBSP Italian seasoning

1 TBSP oregano

1/2 tsp fennel

1 tsp salt

Cracked pepper to taste 

1. Brown sausage