| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] national [noun] ' union | 53 |
|
| 2 | of [art] [noun] ' union | 46 |
|
| 3 | of [art] national [noun] ' | 28 |
|
| 4 | of [art] national [noun] union | 11 |
|
