-ana -ane -ene a-be aaaa aaab aaae aaan aaap aaba aabb aabp aaea aaen aaep aana aane aanp aapa abaa abab abae aban abap abb- abba abbb abbe abee aben abpa abpn abpp aean aeap aebn aena ana- anaa anab anae anan anap anba anbb anee anen anna annb anne anp- anpa anpp apan apap apba apea apen apep apna apne appa baaa baan baba babb babe bana bane bann banp bapa bape bapp bbbb bbeb bean beap beba bebb bebe beeb been beep bena bene benn bnpp bpea eaba eana eapp eban ebba eben eeea eeee eena enab enan enap enb- enbn enea enee enna enne enp- enpa epaa epee epen eppa eppp naaa naab naan naba nabe naea nan- nana nanb nane nann nanp napa napb nape napp nbaa nbap nbpa nbpp neab nean neap neba nebb nebe nebn neea neeb neen neep nena nene nepa nepe nnnn npap nppa paan paap paba paea paen paep pan- pana pane pann papa papb pape papp pban pbpa peab pean peap peba peen peep pen- pena pene penn pepa pepe pnea pnpp ppan ppap ppen pppa pppn pppp