foo-foo foothot footrot forouth forroot fortrth fortumo fotohof fou-fou fourmor fourtou furrour furthur futurum h-r-m hoo-hoo hoofrot horrour hortour hotfoot hothur huttoft moo-moo morrum mortuum moumour moutrot muthoot muu-muu off-off offform offhour ottrott outfoot outform outouth outroom outroot r-h-m roomfor rootfor rootout rootrot rototom ruh-roh ruhrort rum-tum thorrur thruout thuthur tohorot tom-tom tomouth too-hoo too-too torhout tortour tototoo toumour tro-tro trotoff trotout tum-tum tut-hoo tut-tut ufotofu ur-form