-ana -ane -ene -one a-be aaaa aaab aaae aaan aaap aaba aabb aabp aaea aaen aaep aana aane aanp aaoe aaon aaoo aapa aapo abaa abab abae aban abap abb- abba abbb abbe abbo abee aben aboa abob abon aboo abpa abpn abpp aean aeap aebn aena aeon ana- anaa anab anae anan anao anap anba anbb anbo anee anen anna annb anne anno ano- anoa anon anp- anpa anpp aoba aonb aone aono aopo apan apao apap apba apea apen apep apna apne apno apo- apoe apon apoo apop appa baaa baan baba babb babe babo bana bane bann bano banp baon bapa bape bapp bbbb bbeb bean beap beba bebb bebe bebo beeb been beep bena bene benn beno beo- beon bepo bnpp boab boan boba bobb bobe bobo boea boee boen boeo boep bona bone bonn bono boob booe boon boop bopa bope bopp bpea bpoe eaba eana eaop eapp eban ebba ebbo eben ebno eboe ebon eboo ebpo eeea eeee eena enab enan enap enb- enbn enea enee eneo enna enne eno- enoe enon enp- enpa eoan eone epaa epee epen epon eppa eppo eppp naaa naab naan naba nabe nabo naea nan- nana nanb nane nann nano nanp napa napb nape napo napp nbaa nbap nbbo nbpa nbpp neab nean neap neba nebb nebe nebn nebo neea neeb neen neep nena nene neno neo- neon neoo nepa nepe nnnn noaa noae noap noba nobo non- nona none nonn nono noo- noob noon nooo noop nope npap nppa o-eo oban obba obbo obea oben oboe obon oen- oeno oepa onab onan one- onea oneb onee oneo onep onna onne onno onon ooaa ooba oobe oona oone oooo opan opap open opep opo- opon oppa oppo paan paap paba paea paen paep pan- pana pane pann pano paon papa papb pape papp pban pbpa peab pean peap peba peen peep pen- pena pene penn peno peon pepa pepe pepo pnea pnon pnpo pnpp poan poba pobo poea pona pone pono ponp poon poop pop- popa pope popo popp ppan ppap ppen ppoa pppa pppn pppo pppp