f-prot foofoo foofur foorum formo- forout forrot fortmp fortum foufou fourof fourou fourpm fourto fruupp ftroop furfur furour furrfu furtum futuro moffom moffou mommur moomoo moopoo moorup mop-up moptop mormor mormur moroto morrot motmot motomu motor- motoro motour moturu mourou mrmoto muffro murmur muroto mutomo muttur mutufu mutuum muumuu offput offutt ofpoor oftfor ompuff oofotr oomoto oooooo oporto optfor optoro optout oromoo oropom orrour otmoor ottoor outfor outofp outour output outrup outtop outtro pompom poofup poopoo pop-up popfor popoff popopo poporo popout poppop poptop porrum portof portom pottop pottum poupou pppppp profor profur prompt propup propur proto- prutot puffup pumpup pupput purpur put-up putoff putour putout putput puttoo puttur romour roomto rootof rootup rotour rotout rotrou rottum routot rumour rumpot ruptor rurutu rutour t-form t-room tfromt to-fro to-put toform tommot tomort tompot tomtom tomtor tootoo top-up topoff toporu topout toppop torfou tororo torpor tortor tortou tortum tot-up totopo totoro totrot tou-fu tourou toutou toutuo trompo tropo- troppo trotro troump trumpf tumour tumtum tuotuo turmut turrum turtur tururu tutour tuttut u-form up-put uppoor upprop uproot urform uruppu utroor