Ei, Oman, and Derby are one of Asia, one of Europe, and one of Africa. Eye is not the same as the European country among them and is smaller than the African country among them. Big. Then the order of the three countries from big to small is:. ['Ey, Oman, Derby;.', 'Ey, Derby, Oman;.', 'Derby, Aye, Oman;.', 'Oman, Aye, Debbie.']