Shrimp Salad

Ingredients

• 2-1/3 cups uncooked small pasta shells
• 1/3 pound cooked salad shrimp
• 3 celery ribs, chopped
• 1 small onion, chopped
• 4 radishes, halved and sliced
• 4 hard-boiled large eggs, chopped
• 1 cup mayonnaise
• 1 tablespoon prepared mustard
• 1-1/2 teaspoons salt
• 1/8 teaspoon pepper