| Sg. Indef. | bítur |
| Sg. Def. | bíturinn |
| Pl. Indef. | bítir; bítar |
| Pl. Def. | bítirnir; bítarnir |
| Sg. Indef. | bíts |
| Sg. Def. | bítsins |
| Pl. Indef. | bíta |
| Pl. Def. | bítanna |
| Sg. Indef. | bít |
| Sg. Def. | bítnum |
| Pl. Indef. | bítum |
| Pl. Def. | bítunum |
| Sg. Indef. | bít |
| Sg. Def. | bítinn |
| Pl. Indef. | bíti; bíta |
| Pl. Def. | bítina; bítana |