HYDRONIUM

do hi hm ho id in mi mo mu my no nu od oh oi om on or oy uh um un yo

dim din dom don dor dry duh dui dun duo hid him hin hod hon hoy hum hun ion mho mid mir mod mon mor mud mun nim nod noh nom nor ohm oud our rho rid rim rin rod rom rum run udo urd urn yid yin yod yom yon you yum

dino dorm dory doum dour drum durn duro hind homy horn hour hymn inro iron mind miry modi mony morn muni muon nodi noir nori norm nurd rimy rind ruin rynd udon undo undy yird yodh yond yoni your