b-r-k brrrr bruck brugg btr-t bucku bucur bukk- burck burcu burgk burgu burru burtt buruc buruk burut butut ccccc cruck cubub cucuk curug cutcu grgur grrrr grubb gruut gtk-- gubru gurur k-t-b kucuk kugur kukur kurbu kurku kuruc kuruk kuttu kutur rt-rk ruutu tbtbt tbutt tcutk trbuk trubu truck trugg ttttt tuctu tukur turbt turck turku turtu turut tutku tuuru ugrug ukuug urgut urkut urubu urucu urutu uttur uturu uuuuu