bbbb bbbs bbdd bbhs bd-r bddh bdhs bdii bdsd bhhs bhir bhur bhuu bibb bibi bibs bidi bidr bids bidu bihi bihs bihu biis birb bird biri birr birs biru bis- bisd bish biss bisu brds brhs brid brih bris brrr brrs brsb brsr brud bruh brus bsbd bshs bsrd bssd bubb bubi bubs bubu budb budd budi buds budu buhi buhr buhs buid buir buis buiu bur- burb burd burh buri burr burs buru bush busi buss busu buus dbhs dbrs dbss dbus dddd ddss ddub dhis dhur dibb dibs didi dids didu dihu diii diis dird dirr dirs dis- disd dish disi diss dius drhs drib drih drrs drub drui drus druu dsdr dshs dsri dsrr dssi dub- dubb dubh dubs dubu dudd duds dudu duhr duhs duhu duid duir duis duri duru dush dusi duur h-ii hbbs hbds hbhs hbrs hbss hdhs hdri hdss hhds hhhh hhhs hhus hibi hibu hidi hids hihi hiis hiiu hird hiri hirs hiru hisb hisd hish hiss hrhs hrib hrid hrud hshs hsur hubb hubi hubs hudd hudi huds hudu huhi huhs huhu huib huid huir huis hurd huri hurr hurs huru hush husi huss huub huus ibid ibis ibrd ibri ibss ibus idid idir idis idss idub idus ihdr ihis ihrd ihss ihub ihud iiii iiis iirs iisd iisi iisr iisu irds irhs iri- irid iris irri irrs irus isbd isdb isds ishi ishr ishs isis isri issh issi issr isss issu isuh isus iuds iuiu iusd iuss rbbb rbbr rbbs rbds rbhs rbis rbsd rbss rdhs rhhs rhib rhus rib- ribs ribu ridd ridi rids rihs riis riri rirs risd rish risi riss risu rius rrhs rrrr rsbi rsdd rsds rshd rshs rsid rsis rubb rubi rubs rubu rudd rudi ruds ruhh ruhi ruhr ruhs ruid ruis rurd ruri rurs ruru rush rusi russ rusu ruud s-ib s-ii sbbs sbds sbhs sbsd sbsi sbus sdds sdhb sdhd sdhs sdib sdrs sdss sdsu shbs shhh shhs shib shid shih shii shir shis shiu shri shrs shub shud shui shur shus shuu sibi sibs sibu sidd sidh sidi sidr sids sihi sihr sihs sihu siri sirr sirs siru sisd sish sisi siss sisu siui sius srhs srib sris srsd srub ssbr ssdd sshs ssid ssis ssri ssrs sssb sssh sssi ssss sub- subb subd subh subi subs sudd sudh sudi suds suhb suhi suhr suid suir suis sur- surd suri surr surs suru sus- susd susi suss susu suus ubbi ubid ubii ubir ubis ubud uddi udds udid udir udsd uh-d uhid uhrs uhss uhuh uirr uisd urbi urbs urds urdu urib uris uriu urrh urri ursi urss ursu urur urus usbr usbs usds ushi ushr ushs ushu usis ussb ussr usss ussu usui usus uuri uusi uuuu