b-e-d bbbee bd-re be-er bebed beber bedde bedee beder bedub bedue bedum beebe beede beerd bembe bemer bemud berbe berde berdu bered berme berre berru berum beuer beure brebu bredd brede breed breem breer breme bremm brerd brere breu- brmmm brrrr brud- brude brued bruer brume brumm bubbe buber budde buddu budur bumbu bumed bumme burde burru burud d-mer dbume ddddd ddrmm ddrum debed deber dedde dedee deder dedur deede deeme deere dembe demer demme demre demur derbe derde dered derm- derme derre derub derue derum deure drdre dredd drede dreed drere drude drumb drumm dubee duded duder duere duerr dumme dumre durbe dured duree durer durre durum e-dee e-med ebbed ebber ebmud ebure edder eddre edere edmed edred edrum eeeee eerde embed embee ember embud embue emede emeer emere emmer emure erbbe erber erdem erdre erede erem- erere erred eum-u eurre mbebe mbere mbube mburu mebbe medee medem meder medeu medue meede meemu meere membe memer merde mered merer merre merur meuer meure mmmmm mreru mrred mudde muddu mumbe mumme mummu murde murdu mured mureu murre murru murud murum rebbe reber rebud redbd redde redem reder redub redur reede reeme reere remed remee remer remue rerde rere- reree rerum reuer reume rubee ruber ruder ruede ruere rumbe rumer rummu rurde u-dub uber- ubume udder uedem umbe- umber umbre umeer umeme ummed umred umudu urdee ureme urubu uuuuu