flowoff fluoro- foo-foo forloff formful forwhom fou-fou fourmor furrour h-r-m hoo-hoo hoolulu horrour houhful houlour hullour looroll low-low lowfour moo-moo morrum moufful moumour mulmull muu-muu off-off offform offhour ormulum r-h-m rohloff rolloff roomfor roomful row-off ruh-roh ur-form wfff-fm wfhm-fm wflf-fm wflo-fm wfmh-fm wfrf-fm wfro-fm wfur-fm whhm-fm whlm-fm whmh-fm whofull whou-fm whro-fm whrw-fm whur-fm wlhr-fm wllm-fm wllr-fm wlml-fm wlol-fm wlum-fm wmhw-fm wmmm-fm wmor-fm wmrf-fm wmum-fm wolf-fm wolfrum wolow woo-hoo woo-woo woof-fm woollum worm-fm wou-wou wow-wow wowowow wrlo-fm wrmm-fm wrmu-fm wror-fm wrou-fm wrrr-fm wruf-fm wrur-fm wruw-fm wuff-fm wuol-fm wwff-fm wwwh-fm wwww-fm