-ene bbbb bbdd bbeb bblb bdle bebb bebe bede bedl bedu beeb beed beel been beld bele bell belu bend bene benn benu bleb bled blee bleu blub blud blue bubb bube bubu budb budd bude budl budu buel buen bueu bulb buld bule bull bulu bunb bund bune bunn bunu dbnl dddd ddub debe debu dedd dede dedu deeb deed deel deen deld dele dell dene denn denu deue deul dlbd dub- dubb dube dubu dudd dude dudu duel dule dull dulu dune dunn duul ebed ebel eben ebul edde ede- edel eden edle ednl edun eede eedu eeee eele eend el-b elbe elbu elde eled elee elen elle ellu elne elue elul enb- enbn end- ende endu ened enee enel enne ennu enue eude eule le-u lebd lebu lede leed leel leen lele lell lelu lend lene lenn leud leun lldb lleu llll llud lndn lube ludd lude lued lule lull lulu lund lune lunn nddb ndde nebb nebe nebn nebu nedd nede nedu neeb need neel neen neld nele nell nend nene nenu neue neun neuu nndb nnnn nube nubl nudd nude nuee nuel nule null nune nunn ubbe uble ubud udel uden udun uele uell uend ulde uleb ulee ulen ulle ulne ulul unbd unbe unde uneb uned unee unen unle unne uuen uulu uuuu