bbbee be-er beber beebe bembe bemer beppe beppu berbe berme berre berru berum beuer beure bmp-r brebu breem breer breme bremm brere breu- brmmm brrrr bruer brume brumm bubbe buber bumbu bumme bumpe burru ebber ebure eeeee eepee embee ember embue emeer emere emmer empee emure epure erbbe erber erem- erere erump eum-u eurre mbebe mbere mbube mburu mebbe meemu meere membe memer merer merre merur meuer meure mmmmm mreru mumbe mumme mummu muppu mureu murre murru murum murup p-rep pebre peebu peere pembe pepee peppe pepup perer perre perur peure preem preme premp puber pumpe puppe puree purer purre purum re-up rebbe reber reeme reepe reere remee remer remue reppe repub rere- reree rerum reuer reume rubee ruber rubup ruere rumbe rumer rummu rupee ruper uber- ubume umbe- umber umbre umeer umeme upper ureme urubu urupe uuuuu