aaaaba aabroo ababou abaroa abburu abobra aourou apora apropo arabo- arapua ararao araua araura arbour arbra aroura arpora arraba arroba arrour aruaru auparu aurora baabaa baabar baarbu baaror babbar baboua babrru babura baobab bapara bapora bar-or barara barbar barbra barbro barrou baruar bauour baupur baurua bbbbbb boabab bobara bobbar bobbau booboo borapa borbor bororo boubou bourou bourra braura brorup brubru bububu burbur burrup obubra oooooo opoboa orapro orbara orrour oubapo paao paarup paopao papara paparo papora paraba paraoa paropa parora parour paruro poboru poopoo pop-up popara popopo poporo poppop porrua poruba poupou pppppp proapp probar propup propur purpur raabau rababa rabuor rap-up rorbua rub-up rubarb rubbra rubro- rupara ubauro uparap uppara upparu uppoor upprop uproar urapar uruara urupa uruppu