| Answer | Crossword Clue |
|---|---|
| SSR | Old union letters |
| AFL | Union letters |
| CIO | Union letters |
| AFLCIO | Big union letters |
| SSR | Union letters, once |
| AFL | Letters on a union logo |
| triphthong | A union of three vowels (letters or sounds) pronounced in one syllable (as in some pronunciations of our) |
| triphthongs | A union of three vowels (letters or sounds) pronounced in one syllable (as in some pronunciations of our) |
