-ene bbbb bbdd bbeb bebb bebe bede bedu beeb beed beek been beke bend bene benk benn benu beuk bubb bube bubu budb budd bude budu buen bueu buke bukk buku bunb bund bune bunk bunn bunu dddd ddub debe debu dedd dede dedu deeb deed deek deen dek- deke dene denk denn denu deue deuk dnuk dub- dubb dube dubu dudd dude dudu duke duku dune dunk dunn ebed eben edde ede- eden edun eede eedu eeee eeke eend ekeb eked ekek eken ekne enb- enbn end- ende endu ened enee enke enne ennu enue eude kbbb kbbd kbbe kbbk kbbu kbdb kbde kbdn kbeb kbed kbee kbek kben kbkb kbkk kbnd kbnn kbnu kbub kbud kbue kbuk kbun kbuu kdbb kdbn kddb kddd kddk kdeb kden kdkb kdkd kdkk kdkn kdnd kdne kdnk kdnn kdub kdun kebb kebe kebn kebu kedb kedd kede keed keek keen kekb keke keku ken- kend kene kenk kenn kenu keun kkbb kkbd kkbe kkbn kkdd kked kken kkkk kknb kknd kkne kknn kknu kkuu knbb knbe knbn knbu kndb kndd knde kndk kndn kndu kneb kned knee knek knen kneu knkk knnb knnd knnk knub knud knue knuk kubb kubd kube kubu kudd kude kudu kued kuek kuen kueu kuke kukk kukn kuku kund kune kunk kunu kuub kuuk kuuu nddb ndde nebb nebe nebn nebu nedd nede nedu neeb need neen neke neku nend nene nenu neue neuk neun neuu nndb nnnn nube nubk nudd nude nuee nuke nuku nune nunk nunn nuuk ubbe ubek ubud uden uduk udun uend ukek ukeu unbd unbe unde uneb uned unee unen unke unkn unne uuen uuuu