h-r-m homotop hoo-hoo horrour hortour hot-pot hothur moo-moo moortop morpho- morphou morrum mortuum moumour moutrot muthoot muttpop muu-muu oomphph oophor- opt-out ottrott out-top outouth outport outpour outputt outroom outroop outroot photoop pom-pom pomport poo-poo poopout pop-out pop-top portour potoroo pouroum pourout proport prorump prorupt prothro protour prutoth pum-pum purport purpour put-out put-put puthoor puttout putupto r-h-m rootout rootrot rototom ruh-roh ruhrort rum-tum thoppur thorrur thruout thruput thuthur tohorot tom-tom tomouth too-hoo too-too torhout torpour tortour tototoo toumour tro-tro tropho- trotout trumpup tum-tum tut-hoo tut-tut umootpu uphuthu