*rnbuni unattested未見語料√ rbunirbuni + ⟨n⟩patient focus受事焦點preterite過去式聾子（耳聾）過的；已把…聾子（耳聾）what was aed deaf person; aed deaf person itroot詞根√ rbuniAF主事焦點LF處所焦點PF受事焦點IF工具焦點PRES現在式*rmbuni——*srbuniPRET過去式*rmnbuni—*rnbuni*snrbuniFUT未來式*mprbuniDIST遠———derived stems衍生詞幹AF主事焦點LF處所焦點PF受事焦點IF工具焦點k-krbuni———