1 = first
2 = second
3 = third
4 = fourth
5 = fifth
6 = sixth
7 = seventh
8 = eighth
9 = ninth
10 = tenth
11 = eleventh
12 = twelveth
13 = thirteenth
14 = fourteenth
15 = fiveteenth
16 = sixteenth
17 = seventeenth
18 = eighteenth
19 = nineteenth
20 = twentieth
21 = twentieth-first
22 = twentieth-second
23 = twentieth-third
24 = twentieth-fourth
25 = twentieth-fifth
26 = twentieth-sixth
27 = twentieth-seventh
28 = twentieth-eighth
29 = twentieth-ninth
30 = thirtieth
31 = thirtieth-first
32 = thirtieth-second
33 = thirtieth-third
34 = thirtieth-fourth
35 = thirtieth-fifth
36 = thirtieth-sixth
37 = thirtieth-seventh
38 = thirtieth-eighth
39 = thirtieth-ninth
40 = fortieth
41 = fortieth-first
42 = fortieth-second
43 = fortieth-third
44 = fortieth-fourth
45 = fortieth-fifth
46 = fortieth-sixth
47 = fortieth-seventh
48 = fortieth-eighth
49 = fortieth-ninth
50 = fiftieth
