-ene -one eeee eeng egee egge eggh eggo eggp eghe eghh egne ego- egon egpe egph egpn egpo eheh ehen enee eneg eneo enge engg engo enne eno- enoe enon enp- eone epee epen eph- epon eppo eppp geen geep gege gegg gego gehn gen- gene geng genn geno geo- geog geon gepe gggg gghg ggpo ghee gheg ghon gnoo goen gogh gogo gon- gone gong gonn gono goog goon goop gope gopo gpgp heeg heep hege hegg hegh hego hehe hehn heho hene heng henh henn heno hepe hepp hhgg hhhh hoen hoge hogg hogh hogo hohe hohn hoho hone hong hono hooe hoon hoop hope hopo hopp hpgp hppe neen neep nege negh nego negp nehe nene neng nenh neno neo- neon neoo nepe neph ngen ngon nhnn nhon nngn nnnn nogg nogh nogo nohn noho non- none nong nonn nono noo- noon nooo noop nope noph o-eo oen- oeno ogee ogen ogge ogog ogon ohee ohen ohho ohne ohno ohoh one- onee oneg oneh oneo onep onge ongo onne onno onon onpg ooho oone oooh oooo open opep opng opo- opon oppo peen peep pegg pegh pego pehe peho pen- pene peng penh penn peno peon pepe pepo phe- phen phno phog phoh phon phoo pnon pnpo pnpp poge pogg pogh pogo pone pong pono ponp pooh poon poop pop- pope popo popp ppen pppn pppo pppp