gwa

Explanation

1. gwa
A postpositional word used to indicate the subject of comparison or the object that serves as a basis.

2. gwa
A postpositional word referring to the person when doing something with him/her.

3. gwa
A postpositional word referring to the person who the subject does something with.

4. gwa
A postpositional particle used to list the preceding and following nouns.