-ene -one eeee eent eete enee eneo enne eno- enoe enon enp- ent- ente ento entp eone eont eoto epee epen epon epot eppo eppp epte etee eten etne etoe eton ette ettn etto neen neep neet nene neno nent neo- neon neoo neot nepe nept net- nete neto nett nnnn nnot nntn non- none nonn nono nont noo- noon nooo noop noot nope not- note noto nott npte nptn ntop ntto o-eo oen- oeno one- onee oneo onep onne onno onon onpt ont- onto oone oont oooo ootp open opep opet opo- opon oppo optn opto otee oten otep oto- otoe oton otoo otpp otte otto peen peep peet pen- pene penn peno pent peon pepe pepo pete petn peto pett pnet pnon pnot pnpo pnpp poet pone pono ponp pont poon poop poot pop- pope popo popp popt pote poto pott ppen pppn pppo pppp pptn pptt pten ptop teen teet tene tenn teno tenp tent teon tepe tepp tete teto tett toee toen toet tone tonn tono toon toot top- tope topo topp topt tote toto tott tpon tppp tpte tptp tten tteo ttoe tton ttop tttt