| Nominative | diéta; dieta |
| Genitive | diéty; diety |
| Dative | diéte; diete |
| Accusative | diétu; dietu |
| Locative | diéte; diete |
| Instrumental | diétou; dietou |
| Nominative | diéty; diety |
| Genitive | diét; diet |
| Dative | diétam; dietám |
| Accusative | diéty; diety |
| Locative | diétach; dietách |
| Instrumental | diétami; dietami |