-onym ddddd do-do doddy dodon dodoo dommy domny domon domun dondo donny donon donum doodo doody doomy doufu doumu doumy douyu doyon doyou duddo duddy dudon dudou dudyn duffy dummy dundo dundy dunno dunny dunod dunum dunun dunyu duomo duyun fofum fomon fondo fondu foody foofy foudy found fu-fu fuddu fuddy fuffy fund- fundo fundu fundy funny fuudo mfund mmmmm mo-do modom modon modum moffo mommy momuy mondo mondy monno mono- monod monon mony- moody moony moudy mound moynd moyon muddu muddy mudon mudun muffy mufon mummu mummy mumun mundo mundu mundy munny muyun my-my mydon mymom mymon myom- nnooo no-do no-no noddy nodof nodum nofou nofun nommo nomo- nomom nomyn non-u nondo nonno nonny noonu noudy nouny noyon noyou nu-nu nuddy nudum nummy nunny nunon nunun nuydu odoom odudu oduom offmy offof offon offoy offun ofnod ofono ofyou ommoy omoon onmod onmun onnuy onoff onond onoon onymy onyon onyou ooooo oudon oundy ufofu ufund umudu undun unfun unnun uuuuu y-o-u ymund yo-yo yomon yomou yomud yondu yooff youdo youdu youff yound youno youon yummo yummy yunfu yunyu