-ene -one eeee eemo emen emex emme emne empe enee enem eneo enne eno- enoe enom enon enp- eone epee epen epmo epon epox eppo eppp epxp exen exo- exon expm expn expo meem meen meep meme memo memx men- mene menn meno meon mepe mexx mmen mmmm mmxx mnem mnop mnpo moen moex mome momo mon- mone monn mono mooe moon moop mope mopp moxe moxo mppe mppp mxpx neem neen neep nem- neme nemn nemo nemp nene neno neo- neon neoo neox nepe nexe nexo nexx nm-e nmex nmon nnnn noem nom- nome nomo non- none nonn nono nonx noo- noon nooo noop nope o-eo oeme oen- oeno omee omen omeo omex omn- omne omo- omoe omon omoo omox one- onee oneo onep onex onme onne onno onon oome oone oooo open opep opex opo- opon oppo oxen oxep oxo- oxon oxox oxxo peen peep pen- pene penn peno peon pepe pepo pmmp pmpm pmpo pnnm pnom pnon pnpo pnpp poem pome pomo pomp pone pono ponp poon poop pop- pope popo popp ppen pppn pppo pppp xeme xen- xene xenn xeno xeon xexe xmen xmpp xnee xome xoom xoxo xxxo xxxx