bbbb bbdd bbin bblb bdii bdin bibb bibi bibl bidi bidu biin bild bili bill bilu bin- bind bini binn binu blin blni blub blud bnib bnin bubb bubi bubu budb budd budi budl budu buid buin buiu bulb buld buli bull bulu bunb bund buni bunn bunu dbnl dddd ddub dibb didi didu diii dili dill din- dini dinn dinu dlbd dlib dlii dlil dub- dubb dubu dudd dudu duid duil duin duli dull dulu dunn duul ibid idid idil idin idli idub idun iiii ilin ill- illd illi ilni ilud inbd ind- indi indu inid inni innu inui inul inun iuiu libu lidb lidl liii liin lilb lili lill lilu lind linn liun lldb llll llud lndn ludd ludi luin luli lull lulu lund luni lunn n-ii nddb nibi nidd nidi niiu nild nili nill nilu nind nini ninl nndb nnnn nubi nubl nudd nudi nuin nuli null nunn ubbi ubid ubii ubli ubud uddi udid udin udun ulli ulul unbd undi uni- unii unin unni uulu uuni uuuu