bbbb bbin bibb bibi biin bin- bini binn binu biny bmmi bnib bnim bnin bubb bubi bubu buin buiu bum- bumb bunb buni bunn bunu buyi buyu byun i-by ibbm ibim ibuy ibyi iiii iinm iium imbi imin immi immy imun inby inmy inni innu inny inui inun iuiu mbim miii miin mim- mimi mimy mini minn minu miny miui miyu mmii mmmm mmun mmyy mnbb mnin mubi muin mumm mumu mumy muni munn munu mybb mybi myi- mymy n-ii nibi nibm niiu nimb nimi nimu nimy nini niyi nnnn nubi nuby nuim nuin numb numi numm numu nunn nuny nyim nyny ubbi ubii umb- umbi uni- unii unin unni unum uuni uuuu uuyn uyin yubu yuin yumi yuny yuyu yyyy