-ene -one eeee eeze enee eneo enez enne ennu eno- enoe enon enp- enue enzo eone epee epen epon eppo eppp ezop ezuz ezzo n-up neen neep nene neno nenu neo- neon neoo nepe neue neun neuo neuu nnnn noez non- none nonn nono nonu noo- noon nooo noop nope noun noup nuee nune nunn nuno nuon nupe nuze nzpp o-eo oen- oeno one- onee oneo onep onez onne onno onon onoz onpu onue onup onze onzo oone oooo ooze open opep opo- opon oppo ouen oun- oune oupe ouu- ouze ouzo ozee ozen ozon ozun peen peep pen- pene penn peno penu penz peon peou pepe pepo peun peze pezo pneu pnon pnpo pnpp pnup pone pono ponp poon poop pop- pope popo popp poun poup poze pozo ppen pppn pppo pppp pu-e pueo pueu pune puno punu pupe pupu puzo ueno unee unen unne unno unon unop unuz uone upen upne upnp upon uppe uppp uppu upup uuen uuno uuuu uzen uzon uzun zeep zenn zeno zenu zeon zepo zepp zeze znen zon- zone zoo- zoon zoop zope zozo zozu zune zunz zuoz zuun zuzu zzzz