bbbbbbb bohourt bommuru boo-boo boo-hoo bootout borotou bothro- bourout bourrou burtrum buttout h-r-m hoo-hoo horrour hortour hot-tub hothur hub-bub hur-bur moo-moo morrum mortuum moumour moutrot mrrobot muthoot mutombo muu-muu oroboro ottrott oubombo outboob outbutt outouth outroom outroot r-h-m rhombo- rombout rootout rootrot rototom rub-out rubbour ruh-roh ruhrort rum-tum thorrur thromb- throomb thruout thuthur tohorot tom-tom tomouth too-hoo too-too torhout tortour tototoo touboro toumour tro-tro trotout trubrot tum-tum tumburu turbott tut-hoo tut-tut ububboo