foofoo foofur foorum formo- forout forrot fortum foufou fourof fourou fourto furfur furour furrfu furtum futuro moffom moffou mommur moomoo mormor mormur moroto morrot motmot motomu motor- motoro motour moturu mourou mrmoto muffro murmur muroto mutomo muttur mutufu mutuum muumuu offutt oftfor oofotr oomoto oooooo oromoo orrour otmoor ottoor outfor outour outtro romour roomto rootof rotour rotout rotrou rottum routot rumour rurutu rutour t-form t-room tfromt to-fro toform tommot tomort tomtom tomtor tootoo torfou tororo tortor tortou tortum totoro totrot tou-fu tourou toutou toutuo trotro tumour tumtum tuotuo turmut turrum turtur tururu tutour tuttut u-form urform utroor