bbbee bebel beebe beele beene belee belen belep bellb belle belue bene- benne bennu benue benun bepen beppe beppu beule bleen bleep bleue bpeen bubbe buben buble buell bulb- bulen bull- bulle bulul bulun bunne bunun ebble ebell ebene eblul ebull eeeee eepee elben elele elene ellel ellen ellul elpee elulu enbun enlen enpeu epeen epene euell eulen eupen lebel leben leell lelep leleu lelle lenne lepel leppe leupp lubbe luble lubne lubun lueen luen lulle lulul lunel lunne luppe lupul n-p-n nebel neble neblu nebpu neele neelu nelle nellu neple neppe neuen neueu neune nnebe nu-nu nubel nuble nubpl nuell nulle nunun nupen p-n-p peebu peele peell peene pelee pelle pene- penne penup pepee pepel peple peppe pepup peule plebe pleen pleep plene plupp puble pull- pulle pullu punbb punee punel punne puple puppe ubble ubeen uelen ulene ululu unnun unpen unpeu upenn uppen uuuuu