-ana -ane -ene -one aaaa aaae aaan aaap aaea aaen aaep aana aane aanp aaoe aaon aaoo aapa aapo aean aeap aena aeon ana- anaa anae anan anao anap anee anen anna anne anno ano- anoa anon anp- anpa anpp aone aono aopo apan apao apap apea apen apep apna apne apno apo- apoe apon apoo apop appa eana eaop eapp eeea eeee eena enan enap enea enee eneo enna enne eno- enoe enon enp- enpa eoan eone epaa epee epen epon eppa eppo eppp naaa naan naea nan- nana nane nann nano nanp napa nape napo napp nean neap neea neen neep nena nene neno neo- neon neoo nepa nepe nnnn noaa noae noap non- nona none nonn nono noo- noon nooo noop nope npap nppa o-eo oen- oeno oepa onan one- onea onee oneo onep onna onne onno onon ooaa oona oone oooo opan opap open opep opo- opon oppa oppo paan paap paea paen paep pan- pana pane pann pano paon papa pape papp pean peap peen peep pen- pena pene penn peno peon pepa pepe pepo pnea pnon pnpo pnpp poan poea pona pone pono ponp poon poop pop- popa pope popo popp ppan ppap ppen ppoa pppa pppn pppo pppp