bbuss bhoom bo-bo bo-ho bobos bohos bohus bombo bombs bomoh bomso boobs boomb booms boosh boshu bosom bosso bsous bumbo bumbu buoho busho busso bussu busum busuu hbomb hhhhh ho-ho ho-oh hobbs hobos hobub hohms hohos hohum homo- homos hoosh hosho hossu houss hubbs huhuh huhus humbo humus husos husum mmhmm mmmmm mobbs mobos mombo mombu momos momus moobs moosh mosso mosuo muhos mumbo mummu mushu musos musou musso o-hum oh-oh oh-so ohmmm ohohs ohuus ooooh ooooo osmo- osmos ososo ossos osusu s-bus shhhh shmoo shobo shoos shosh shous shubb shush smbus smoms smosh smous smush smuss so-ho so-so sohos sohub sommo somos soshu soss- sosus souho sous- ssssh sssss subbu subos subss suhum sumos sumou suomu susso susus ubobo uh-oh uh-uh uhhoh uhhuh uhohs uhuhs umbos umhum ushus uuuuu