| A-U linkup |
| A-to-U trio |
| Vowel sequence |
| Refrain ending |
| A–U connection |
| Kids' song ending |
| A-U vowel connection |
| Kids' song conclusion |
| Old MacDonald'' ender |
| MacDonald's last words |
| Old MacDonald" fragment |
| 'Old MacDonald' sequence |
| Old MacDonald" syllables |
| ''Old MacDonald'' refrain |
| MacDonald's last syllables |
| Old MacDonald's last letters? |
| Old MacDonald" refrain letters |
| Last letters of a farm refrain |
| ''Old MacDonald'' refrain part |
| End of the dell farmer's refrain |
| Last letters from a farm refrain |
| Vowels that end a children's song |
| End of the "Old MacDonald" refrain |
| Vowels at the end of a children's song |
| Last three syllables of a farm song refrain |