bbbb bbbs bbdd bbin bdii bdin bdsd bibb bibi bibs bidi bids bidu biin biis bin- bind bini binn bins binu bis- bisd biss bisu bnib bnin bnss bsbd bsin bsnd bsns bssd bubb bubi bubs bubu budb budd budi buds budu buid buin buis buiu bunb bund buni bunn buns bunu busi buss busu buus dbss dbus dddd ddss ddub dibb dibs didi dids didu diii diis din- dini dinn dins dinu dis- disd disi diss dius dnis dnus dssi dssn dub- dubb dubs dubu dudd duds dudu duid duin duis dunn duns dusi ibid ibis ibns ibsn ibss ibus idid idin idis idss idub idun idus iiii iiis iisd iisi iisu inbd ind- indi inds indu inid inis inni inns innu inss insu inui inun inus isbd isbn isdb isdn isds isin isis issi isss issu isus iuds iuiu iusd iuss n-ii nddb ndsi ndss nibi nibs nidd nidi nids niiu nind nini nins nisd nisi niss nisu nndb nnnn nnss nsds nsin nsis nssb nsss nsub nubi nubs nudd nudi nuin nunn nuns nusi nuss nusu s-ib s-ii sbbs sbds sbsd sbsi sbus sdds sdib sdss sdsu sibi sibs sibu sidd sidi sids sind sini sinn sins sinu sisd sisi siss sisu siui sius snib snid snns snsd snub snus ssbn ssdd ssid ssin ssis ssns sssb sssi ssss sub- subb subd subi subs sudd sudi suds suid suin suis sun- sunb sund suni sunn suns sunu sus- susd susi suss susu suus ubbi ubid ubii ubis ubud uddi udds udid udin udsd udun uisd unbd undi unds uni- unii unin unis unni unns uns- unus usbs usds usin usis usnu ussb usss ussu usui usun usus uuni uusi uuuu