bbbee be-er beber beebe beene bene- benne bepen beppe berbe beren berne berre bpeen breen breer brene brenn brere brrrr ebber ebene ebern ebner eeeee eener eepee enper epeen epene erbbe erben erber ereen erere ernen n-p-n neber neere neper neppe neree nerre nnebe p-n-p p-rep pebre peene peere pene- pener penne penre pepee peppe peren perer perne perre preen prene prepn rebbe reber reene reepe reere renbp renee rener renne repen reppe rere- reree rnpep