b-r-k bbgun brrrr brugg brung brunk brunn bruun bugun bukk- buknu bungu bunuk bunun burgk burgu burn- burru buruk burun grgur grrrr grubb grunk gubru gungu gunnr gurun gurur k-gun k-p-r knurr krunk krupp kruun kugur kukup kukur kungu kunku kunur kupur kurbu kurku kuruk kurup n-p-n ngugu nguru nkubu nu-nu nunun nupur nuruk nurun p-n-p prun- prung punbb pungu punuk purku rubup rungu runup ugrug ukuug ungur unkur unnun unnur unrug unrun unurn uppng uprun urgun urkun urubu uuuuu