dhundh do-hun dododo dondon doudou duddon duffup dundun dunoon fondof fondon foofoo foufou funoon hohoho hoodoo hoohoo hoopoo hop-up hopnpp hopoff huddon huddup hudood huffpo huh-uh hundon hundun nnundu nodoff nofood non-no non-op nonodd nonono nonoon noonoo nounou nuh-uh ohnono ohohoh ohpooh on-off onhuno oohooh oooooo phono- phonon podofo poofup poopoo pop-up popduo popoff popopo poppop poupon poupou pppppp puffon puffun puffup punpun uh-huh unfond unh-uh unhood unhoof unhoop unhunh unpuff unu-op uponon