| Sg | Pl | |
| Nom | twe | twi (rule) |
| Voc | ? (rule) | ? (rule) |
| Obl | twe (rule) | tweṃ (rule) |
| Gen | twentse (rule) | tweṃts (rule) |
| Loc | twene (rule) | ? (rule) |
| Abl | twemeṃ (rule) | ? (rule) |
| Perl | twesa (rule) | ? (rule) |
| Com | twempa (rule) | ? (rule) |
| All | tweśc (rule) | ? (rule) |
| Caus | tweñ (rule) | ? (rule) |