-ing bbbb bbgm bbin bbmg bbng bgun bhim bhuu bibb bibi bigb bigg bign bigu bihi bihu biin bin- bing binh bini binn binu bmmi bmnh bnib bnim bnin bubb bubi bubu bugg bugh bugi buhi buin buiu bum- bumb bunb bung buni bunn bunu gggg gghg ghib ghug ghum gibb gibh gigg gigi gign ging gini ginn ginu gmhb gnib gnin gubb gubi gubu gugb gugg gugh gugi gugu guib guin gumb gumi gumm gung gunn h-ii hhgg hhhh hibi hibu high higi hihi hiiu himu hing hinn hmgn hmhb hmmm hmun hubb hubi hugg hugh hugi huhi huhn huhu huib humh humm hung hunh huni huub ibbm ibim ighm igni ignu ihub ihug iiii iinm iium imbi imhi imin immi imun inig inni innu inui inun iuiu mbim mhmm migg migi migu mihi miii miin mim- mimi ming minh mini minn minu miui mmgn mmhg mmhi mmhm mmii mmmh mmmm mmun mnbb mnin mubi mugg mugi mugu muhi muhu muin mumm mumu mung muni munn munu n-ii nbhm ngmn nguu nhnn nibi nibm nigg nigh niiu nimb nimh nimi nimu ning ninh nini nmnh nngn nnnn nubi nuhi nuim nuin numb numi numm numu nung nunn ubbi ubii ughi ugni uguu uhuh umb- umbi ummg ungu uni- unii unin unni unum uuni uuuu