1onefirst
2twosecond
3threethird
4fourfourth
5fivefifth
6sixsixth
7sevenseventh
8eighteighth
9nineninth
10tententh
11eleveneleventh
12twelvetwelfth
13threeteenthreeteenth
14fourteenfourteenth
15fifteenfifteenth
16sixteensixteenth
17seventeenseventeenth
18eighteeneighteenth
19nineteennineteenth
20twentytwentieth
21twenty-onetwenty-first
22twenty-twotwenty-second
30thirtythirtieth
40fortyfourtieth
50fiftyfiftieth
60sixtysixtieth
70seventyseventieth
80eightyeightieth
90ninetyninetieth