bbbb bbdd bd-r bddh bdii bhir bhur bhuu bibb bibi bidi bidr bidu bihi bihu birb bird biri birr biru brid brih brrr brud bruh bubb bubi bubu budb budd budi budu buhi buhr buid buir buiu bur- burb burd burh buri burr buru dddd ddub dhur dibb didi didu dihu diii dird dirr drib drih drub drui druu dub- dubb dubh dubu dudd dudu duhr duhu duid duir duri duru duur h-ii hdri hhhh hibi hibu hidi hihi hiiu hird hiri hiru hrib hrid hrud hubb hubi hudd hudi hudu huhi huhu huib huid huir hurd huri hurr huru huub ibid ibrd ibri idid idir idub ihdr ihrd ihub ihud iiii iri- irid irri iuiu rbbb rbbr rhib rib- ribu ridd ridi riri rrrr rubb rubi rubu rudd rudi ruhh ruhi ruhr ruid rurd ruri ruru ruud ubbi ubid ubii ubir ubud uddi udid udir uh-d uhid uhuh uirr urbi urdu urib uriu urrh urri urur uuri uuuu