Ответ:
| Ending | Ordinal numbers |
|---|---|
| -st | first, twenty-first, thirty-first |
| -nd | second, twenty-second |
| -rd | third, forty-third |
| -th | fifth, tenth, twelfth |
| -ieth | twentieth, thirtieth, fortieth |
| Ending | Ordinal numbers |
|---|---|
| -st | first, twenty-first, thirty-first |
| -nd | second, twenty-second |
| -rd | third, forty-third |
| -th | fifth, tenth, twelfth |
| -ieth | twentieth, thirtieth, fortieth |