| Word | Digits in Telephone Number |
|---|---|
| Undiagnosed | 863 424-6673 (3) |
| Undignified | 863 446-4343 (3) |
| Undisclosed | 863 472-5673 (3) |
| Undiscussed | 863 472-8773 (3) |
| Undisguised | 863 474-8473 (3) |
| Undissolved | 863 477-6583 (3) |
| Undistorted | 863 478-6783 (3) |
| Undisturbed | 863 478-8723 (3) |
| Undividable | 863 484-3225 (3) |