aaaaba ababda ababou abadou abbado abbott abboud abouta addada addoub adoubt aduadu aftaab aoudad at-bat ataaba attuda atuabo audata aufbau autoba autoda baabaa baabda baatud babatu baboua badaud badbad badfat badoda badoff bafata baobab baotou baouda batata batdad baudot bautta bbbbbb boabab bobbau bobota booboo botota boubou boudou boutob buabad bububu bududa buffat buttto buutuo dababa dabdab daboff dadaab dadada dadbob dadbod daouda dattou ddauto do-dad dododo dodota doodab doodad dotbot dotdot dotoat dotodo douaba doudou doutou dubdub fabada fabao fatato fatatu fatoot fatoto foboff foofoo foufou fufuao futaba obuda ofabad offutt oooooo ottaua ouadda oud-aa outbud outofa tabata tabbat taboot tabuda tada-u taobao taobat taotao tataat tatafa tatoba tatoft tattat tattoo tattou taufua tauto- tautou toatoa tobata toboot toobad toofat tootat tootoo totota tou-fu toubab toudou toutou toutuo tuabad tuatua tuotuo tuttut tutuba tutufa u-boat u-boot u-tdoa uafato udatta utuado utufua