| Sg | Du | Pl |
| Nom | oposum | oposumaj | oposumy |
| Gen | oposuma | oposumow | oposumow |
| Dat | oposumej | oposumomaj | oposumam |
| Acc | oposuma | oposumaj | oposumy |
| Instr (z/ze) | oposumom | oposumomaj | oposumami |
| Loc (wo) | oposumje | oposumomaj | oposumach |
| Voc | oposumo
oposumje | 1 | 1 |
1 wokatiw runa so nominatiwej