bbbb bbdd bbin bdii bdin bibb bibi bidi bidu biin bin- bind bini binn binu bnib bnin bubb bubi bubu budb budd budi budu buid buin buiu bunb bund buni bunn bunu dddd ddub dibb didi didu diii din- dini dinn dinu dub- dubb dubu dudd dudu duid duin dunn ibid idid idin idub idun iiii inbd ind- indi indu inid inni innu inui inun iuiu n-ii nddb nibi nidd nidi niiu nind nini nndb nnnn nubi nudd nudi nuin nunn ubbi ubid ubii ubud uddi udid udin udun unbd undi uni- unii unin unni uuni uuuu