1.first, 2.second, 3.third,4. forth, 5.fifth, 6.sixth, 7.seventh, 8.eighth, 9.ninth, 10.tenth, 11.eleventh,12.twelfth,13.thirteenth, 14.forteenth,15. fifteenth, 16.sixteenth, 17.seventeenth, 18.eighteenth,19. nineteenth, 20.twentieth ,21.twenty-first,22. twenty-second, 23.twenty-third, 24.twenty-forth, 25. twenty-fifth, 26.twenty-sixth, 27.twenty-seventh,28.twenty-eighth, 29.twenty-ninth,30. thirtieth, 31.thirty-first