-ene -one eeee eevn eeze en-v enee eneo enez enne eno- enoe enon enp- enzo eone epee epen epon eppo eppp even evoe evon evoo evop ezop ezov ezzo neen neep neev nene neno neo- neon neoo nepe neve nevo nnnn noez non- none nonn nono noo- noon nooo noop noov nope nov- nove novo npov nzpp o-eo oen- oeno oevp one- onee oneo onep onez onne onno onon onoz onze onzo oone oooo ooze open opep opo- opon oppo ovee oven ovo- ovon ovoo ovpp ozee ozen ozon peen peep peev pen- pene penn peno penz peon pepe pepo peze pezo pnon pnpo pnpp pone pono ponp poon poop pop- pope popo popp povo poze pozo ppen pppn pppo pppp pzev veen veep ven- vene venn veno vepe veve vevo veze vone vonn vpon vvvv zeep zenn zeno zeon zepo zepp zeve zeze znen zon- zone zoo- zoon zoop zope zozo zven zvep zvon zzzz