-ing bbbb bbbq bbin bbng bgun bibb bibi bigb bigg bign bigt bigu biin bin- bing bini binn bint binu biqi bitt bitu bnib bnin bttb bubb bubi bubq bubu bugg bugi buin buit buiu bunb bung buni bunn bunt bunu but- buti butt ggbt gggg gibb gigg gigi gign ging gini ginn ginu gnib gnin gnit gnti gubb gubi gubu gugb gugg gugi gugu guib guin gung gunn gunt guti gutt gutu ibtb igni ignu iiii iiit iitt inig init inni innu intg inti intn intu inui inun itin iuiu n-ii nbti ngtn nguu nibi nigg nigt niit niiu ning nini nitb niti nngn nnit nnnn nntn nqit ntnu ntui nubi nuin nuit nung nunn nunt nutt nutu qbit qing qqqq qttn qubi quib quig quin quit qunb qung quni qunu qutb quu- tbit tibi tibu tigi tiit tiiu ting tini tinn tint tinu titi titt titu tnut ttbb tttt tubb tubu tugg tugu tuig tuin tuit tuiu tunb tung tuni tunn tunu tuti tutt tutu ubbi ubii ubit uggt ugni uguu uint ungu uni- unii unin uniq unit unni untb unut utin utti uttu utug utuq uuni uuuu