| Sg. Indef. | koss |
| Sg. Def. | kossinn |
| Pl. Indef. | kossar |
| Pl. Def. | kossarnir |
| Sg. Indef. | koss |
| Sg. Def. | kossins |
| Pl. Indef. | kossa |
| Pl. Def. | kossanna |
| Sg. Indef. | kossi |
| Sg. Def. | kossinum |
| Pl. Indef. | kossum |
| Pl. Def. | kossunum |
| Sg. Indef. | koss |
| Sg. Def. | kossinn |
| Pl. Indef. | kossa |
| Pl. Def. | kossana |