-ene -one bbbb bbeb bebb bebe bebo beeb been beep bene benn beno benu beo- beon bepo bnpp bobb bobe bobo bobu boee boen boeo boep bone bonn bono bonu boob booe boon boop bope bopp boue boun boup bpoe bubb bube bubo bubu buen bueu bunb bune bunn buno bunu buon ebbo eben ebno eboe ebon eboo ebpo eeee enb- enbn enee eneo enne ennu eno- enoe enon enp- enue eone epee epen epon eppo eppp epub n-up nbbo nbpp nebb nebe nebn nebo nebu neeb neen neep nene neno nenu neo- neon neoo nepe neue neun neuo neuu nnnn nobo nobu non- none nonn nono nonu noo- noob noon nooo noop nope noun noup nube nuee nune nunn nuno nuon nupe o-eo obbo oben oboe obon oen- oeno one- oneb onee oneo onep onne onno onon onpu onue onup oobe oone oooo open opep opo- opon oppo ouen oun- oune oupe ouu- peen peep pen- pene penn peno penu peon peou pepe pepo peun pneu pnon pnpo pnpp pnup pobo pone pono ponp poon poop pop- pope popo popp poun poup ppen pppn pppo pppp pu-e pube pubu pueo pueu pune puno punu pupe pupu ubbe ubbo ubon ueno unbe uneb unee unen unne unno unon unop uone upbe upen upne upnp upon uppe uppp uppu upup uuen uuno uuuu