FUNDIFORM

do id if in mi mo mu no nu od of oi om on or um un

dif dim din dom don dor dui dun duo fid fin fir fon for fou fro fud fun fur iff ion mid mir mod mon mor mud mun nim nod nom nor off oud our rid rif rim rin rod rom rum run udo urd urn

diff dino doff dorm doum dour drum duff durn duro fido find fino firm firn foin fond ford form four from fund info inro iron miff mind modi morn muff muni muon nodi noir nori norm nurd riff rind ruff ruin udon undo