bbbb bbin bblb bibb bibi bibl biin bili bill bilu bin- bini binn binu blim blin blni blub blum bmmi bnib bnim bnin bnml bubb bubi bubu buin buiu bulb buli bull bulu bum- bumb bunb buni bunn bunu ibbm ibim ibml iiii iinm iium ilbm ilin ill- illi ilni ilum imbi imin imli immi imun inni innu inui inul inun iuiu libu liii liin lilb lili lill lilu limb limi liml limm limn limu linn liun llll lmii lmln luin luli lull lulu lumb lumi luni lunn mbim miii miin mili mill miln milu mim- mimi mini minn minu miui mlii mlin mmii mmli mmmm mmun mnbb mnin mubi muil muin muli mull mulm mulu mumm mumu muni munn munu n-ii nibi nibm niiu nili nill nilu nimb nimi nimu nini ninl nmml nnnn nubi nubl nuim nuin nuli null numb numi numm numu nunn ubbi ubii ubli uiml ulim ulli ulmi ulmu ulul ulum umb- umbi uni- unii unin unni unum uulu uuni uuuu