| Word | Digits in Telephone Number |
|---|---|
| Hydatids | 49328437 |
| Hydracid | 49372243 |
| Hydragog | 49372464 |
| Hydranth | 49372684 |
| Hydrants | 49372687 |
| Hydrases | 49372737 |
| Hydrated | 49372833 |
| Hydrates | 49372837 |
| Hydrator | 49372867 |
| Hydremia | 49373642 |
| Hydrides | 49374337 |
| Hydrilla | 49374552 |
| Hydrogel | 49376435 |
| Hydrogen | 49376436 |
| Hydroids | 49376437 |
| Hydromel | 49376635 |
| Hydromys | 49376697 |
| Hydronic | 49376642 |
| Hydropic | 49376742 |
| Hydropsy | 49376779 |
| Hydroski | 49376754 |
| Hydrosol | 49376765 |
| Hydroxyl | 49376995 |
| Hydrozoa | 49376962 |