Heat IP on saute. Add olive oil. Cut steak into cubes. Sprinkle steak with salt and pepper. Add steak to hot oil. Saute 3 minutes, stirring frequently, until all sides are browned. Press cancel. Add onion, celery, carrots, garlic, broth, water, barley, bay leaf, and oregano. Lock lid; set valve to sealing, and press Soup button.