Bolivia is a landlocked country in South America, and its exports are an important part of its economy. Sucre, which has five letters, is the constitutional capital of Bolivia and is known for its colonial architecture. Oso, which has three letters, is a type of bear native to Bolivia. Oruro, which also has five letters, is a city in Bolivia known for its Carnival celebrations. Finally, Paz, which has three letters, is the name of the largest lake in Bolivia.