bbbbbb beebee beeper berbee berber berere berrer berube beurre beweep breere breuer brewer brewup brubru bruree bubber bububu buhrer burbur burpee burper burree burrer burrup burwhe eburru eebree ephebe ephree erbree euphue ewerer hebbur hebrew heebee heehee hehehe hehheh hepper herber herher herwer hubber hubbub hububb hueber huh-uh hurrer peepee peeper peerer peewee pepper perere perper perree perrhe peweep pewewe pewpew phweep pppppp preeue prepub preue- pubber puerer purpre purpur purree purrer rebrew reeper rehber reheur repper repure repuru reuere rewere rub-up rubbee rubber ubuweb uh-huh uphere uruppu webber weberp weehee weeper weewee wepper wewere where- whewer wubber wupper wurrup