| Sg. Indef. | síra |
| Sg. Def. | sírann |
| Pl. Indef. | sírar |
| Pl. Def. | sírarnir |
| Sg. Indef. | síra |
| Sg. Def. | sírans |
| Pl. Indef. | síra |
| Pl. Def. | síranna |
| Sg. Indef. | síra |
| Sg. Def. | síranum |
| Pl. Indef. | sírum |
| Pl. Def. | sírunum |
| Sg. Indef. | síra |
| Sg. Def. | sírann |
| Pl. Indef. | síra |
| Pl. Def. | sírana |