d-motor dod-rot dododou doo-doo doproud dortour douprou dourdou droddum dropout droptop drumout dum-dum moo-moo moortop morodou morrum mortuum moumour moutrot mudroom murdrum muttpop muu-muu ommoord opt-out ottrott ouddorp out-top outdoor outdrop outport outpour outputt outroom outroop outroot pom-pom pomport poo-poo poopout pop-out pop-top popodom portour potoroo pouroum pourout pourudu prodrop proport prorump prorupt protour pum-pum purport purpour put-out put-put putrudu puttout putupto rootout rootrot rototom rum-dum rum-tum tom-tom too-too torpour tortour tototoo toumour touroud tro-tro trotout trumpup tum-tum tut-tut umootpu