1 one first
2 two second
3 three third
4 four fourth
5 five fifth
6 six sixth
7 seven seventh
8 eight eighth
9 nine ninth
10 ten tenth
11eleven eleventh
12twelve twelfth
13threeteen threeteenth
14fourteen fourteenth
15fifteen fifteenth
16sixteen sixteenth
17seventeen seventeenth
18eighteen eighteenth
19nineteen nineteenth
20twenty twentieth
21twenty-one twenty-first
22twenty-two twenty-second
30thirty thirtieth
40forty fourtieth
50fifty fiftieth
60sixty sixtieth
70seventy seventieth
80eighty eightieth
90ninety ninetieth