1. Its inflection is similar to that of -i, -u, but they have no alternating vowels before the declension, and the -i and -u are substituted before vowel by -ij, -uw.
2. They are always feminine, and they cannot be inanimates nor adjectives.
3. These themes are most of the times roots.
4. Examples of this are:
SINGULAR
| 
 | f. bru | f. dnghu | 
| NOM. | bru-s | dnghu-s | 
| ACC. | bru-m | dnghu-m | 
| VOC. | bru | dnghu | 
| GEN. | bruw-es | dnghuw-os | 
| OBL. | bruw-ei / bruw-i | dnghuw-ou |