brmmm brrrr brud- brumm brunn bruun bruyd bryd- brynn bryum bryyn bubby bubry budby buddu buddy budry budur bumbu bumby bummy bundu bundy bunny bunud bunun bunyu burn- burny burru burry burud burun buryn by-by bynum bynym byrum ddddd ddrmm ddrum dmdnb drumb drumm drury dryry dubby duddy dudyn dumby dummy dundy dunny dunum dunun dunyu durdy durry durum duyun dyrdy mburu mdrnr mmmmm mruby muddu muddy mudun mumby mummu mummy mumry mumun munby mundu mundy munny murdu murru murry murud murum muryn muyun my-my nduru nu-nu nubby nuddy nudum nudur numby nummy nunny nunry nunun nurry nurun nuydu rmnmn rubby rudby ruddy rudny rudry rudyr rummu rummy runby rundu runny rybny ryndy u-dub udryn umudu unbud unbyn undry undub undun undur unnun unnur unrun unryu unurn urubu uryu uryuu uuuuu ydbdr ymund yummy yunyu