Question: which country does not have letter a?
Answer: Mexico, Peru, Chile, Belize, Montenegro, Sweden, Turkey, Greece, Cyprus, The United Kingdom, Luxembourg, Belgium, Comoros, Brunei, DRC, The Philippines, Seychelles, Morocco, Djibouti, Burundi, Lesotho, Togo, Niger, Egypt, Benin, Congo, Yemen, Liechtenstein, Fiji, Kosovo.