bbbee bebel beblo bebop beebe beele belbo belee belep bellb belle bello belue bepop beppe beppo beppu beule bleep bleue bloop bloue bo-bo boble bobup boeol bolbe bolel boleo boll- bolle bollo bollu boole bouee bouel boul- boule boulo bubbe buble buell bulb- bull- bulle bulou bulul ebble ebell ebelo eblul eboue ebull eeeee eepee el-op elele eleo- ellel elloe ellul eloee elole elope elpee elubo elulu epoll epulo euell l-pop lebel leell lelep leleu lelle lepel lepo- leppe leupp lobbe lobbo loble lobo- lollo lolol loobu lopou loule loupe lubbe luble luebo lulle lulul luppe lupul obele obole obolo oboue oeppo oleo- olleo ollup ooooo opele opelu opepe oploo opobo opole oppel oppol oullo peebo peebu peele peell pelbo pelee pelle pello pelo- peloe pelou peole pepee pepel peple peppe pepup peule plebe pleep plelo pleo- ploop plopp plopu plupp po-po pobe poele polbo polle pollo pollu poloe polop poole poope poopo popel pople popop poppe poppo popup poule poulp poupe puble pubo- puelo puleo pull- pulle pullu puple puppe puppo u-pop ubble ubobo uloop ululu uouee upolo upolu uuuuu