aaaaba ababda ababou abadou abbado abbott abboud abouta addada addoub adoubt aduadu aoudad at-bat ataaba attuda atuabo audata autoba autoda baabaa baabda baatud babatu baboua badaud badbad badoda baobab baotou baouda batata batdad baudot bautta bbbbbb boabab bobbau bobota booboo botota boubou boudou boutob buabad bububu bududa buttto buutuo dababa dabdab dadaab dadada dadbob dadbod daouda dattou ddauto do-dad dododo dodota doodab doodad dotbot dotdot dotoat dotodo douaba doudou doutou dubdub obuda oooooo ottaua ouadda oud-aa outbud tabata tabbat taboot tabuda tada-u taobao taobat taotao tataat tatoba tattat tattoo tattou tauto- tautou toatoa tobata toboot toobad tootat tootoo totota toubab toudou toutou toutuo tuabad tuatua tuotuo tuttut tutuba u-boat u-boot u-tdoa udatta utuado