-ene -one eeee eent eete eext enee eneo enne eno- enoe enon enp- ent- ente ento entp eone eont eoto epee epen epon epot epox eppo eppp epte epxp etee eten etne etoe eton etox ette ettn etto exen exo- exon expn expo expt exte neen neep neet nene neno nent neo- neon neoo neot neox nepe nept net- nete neto nett nexe nexo next nexx nnnn nnot nntn non- none nonn nono nont nonx noo- noon nooo noop noot nope not- note noto nott npte nptn ntop ntto o-eo oen- oeno one- onee oneo onep onex onne onno onon onpt ont- onto oone oont oooo ootp open opep opet opex opo- opon oppo optn opto otee oten otep oto- otoe oton otoo otpp otte otto oxen oxep oxo- oxon oxox oxxo peen peep peet pen- pene penn peno pent peon pepe pepo pete petn peto pett pnet pnon pnot pnpo pnpp pnxt poet pone pono ponp pont poon poop poot pop- pope popo popp popt pote poto pott ppen pppn pppo pppp pptn pptt pten ptop ptox teen teet tene tenn teno tenp tent teon tepe tepp tete teto tett tetx text toee toen toet tone tonn tono toon toot top- tope topo topp topt tote toto tott tox- toxo toxt tpon tppp tpte tptp tten tteo ttoe tton ttop tttt txen xen- xene xenn xeno xeon xexe xnee xnet xote xoxo xpot xpto xtep xxxo xxxx