| Sg M | Pl M | Sg F | Pl F | Sg N | Pl N | |
| Nom | dumba (rule) | dumban (rule) | dumbe (rule) | dumban (rule) | dumbe (rule) | dumban (rule) |
| Acc | dumban (rule) | dumban (rule) | dumban (rule) | dumban (rule) | dumbe (rule) | dumban (rule) |
| Gen | dumban (rule) | dumbra (rule) | dumban (rule) | dumbra (rule) | dumban (rule) | dumbra (rule) |
| Dat | dumban (rule) | dumbum (rule) | dumban (rule) | dumbum (rule) | dumban (rule) | dumbum (rule) |
| SgM | PlM | SgF | PlF | SgN | PlN | |
| Nom | dumb | dumbe (rule) | dumbu (rule) | dumba (rule) | dumb (rule) | dumbe (rule) |
| Acc | dumbne (rule) | dumbe (rule) | dumbe (rule) | dumba (rule) | dumb (rule) | dumbe (rule) |
| Gen | dumbes (rule) | dumbra (rule) | dumbre (rule) | dumbra (rule) | dumbes (rule) | dumbra (rule) |
| Dat | dumbum (rule) | dumbum (rule) | dumbre (rule) | dumbum (rule) | dumbum (rule) | dumbum (rule) |
| Instr | dumbe (rule) | dumbum (rule) | dumbre (rule) | dumbum (rule) | dumbe (rule) | dumbum (rule) |