bbbb bbbq bbin bblb bibb bibi bibl biin bili bill bilu bin- bini binn binu biqi bixi blin blix blni blub bnib bnin bubb bubi bubq bubu buin buiu buix bulb buli bull bulu bunb buni bunn bunu iiii ilbx ilin ill- illi ilni ilxx inni innu inui inul inun iuiu ixil ixlu ixxi libu libx liii liin lilb lili lill lilu linn linq linx liun lixi lixu llll luin luli lull lulu luni lunn luuq luxi lxii lxxi lxxx n-ii nbqx nibi niiu nili nill nilu nini ninl nixi nnnn nubi nubl nuin nuix nuli null nunn qqqq qubi quib quil quin quli qunb quni qunu quu- quux quxu ubbi ubii ubli ulli ulul uni- unii unin uniq unix unni uulu uuni uuuu uxul xbin xibu xiii xil- xili xill xinu xiqi xiqu xixi xlib xlii xlix xuxu xxii xxix xxxi xxxx