bbbee bcell bebel becel becue becum beebe beele belce belec belee belem bellb belle belue belum bembe beule bleue blume bubbe buble bucum buell bulb- bull- bulle bulul bumbu bumme cblue ccccc ccell cclcm cebec cecum ceele celeb cell- celle cemec cleme clubb clue- clumb cubbe cubeb cubel cubub culbe culle cullu cumbe cumbu cumec cumel cumm- cuuel ebble ebell eblul ebull eccle ecume eeeee eembc elele eleme ellel ellul elulu embee embel emble embue emcee emele emell emule euell eum-u eumel lebce lebec lebel lecce leece leell leeme leleu lelle lemel lemme leuc- leuce lmule lubbe luble lucee lulec lulle luluc lulul lumb- lumbe lumle lumme mbebe mbube mbule mbulu mcbee mccue mcube mebbe meble mecel mecul mecum meece meele meell meemu melbu melee melem mell- melle melub membe memel meule mmccc mmccl mmmcc mmmmm muble mucel mucum mulce mulle mumbe mumcu mumle mumlu mumme mummu u-cee ubble ubume uccel uccle ucell uclue ululu umbe- umbel umble umblu umeme uuuuu