| SG | PL | |
| NOM | tuppiš (rule) | tuppieš (rule) |
| ACC | tuppin (rule) | ? (rule) |
| GEN | tuppiaš (rule) | tuppiš (rule) |
| DAT | tuppii (rule) | tuppiaš (rule) |
| LOC | tuppii (rule) | tuppiaš (rule) |
| ALL | tuppii̯a (rule) | ? (rule) |
| ERG | ? (rule) | ? (rule) |
| ABL | tuppiz (rule) | |
| INS | ? (rule) | ? (rule) |