-ana -ane -ene a-be aaaa aaab aaac aaae aaan aaap aaba aabb aabc aabp aaca aacb aacc aace aacn aacp aaea aaec aaen aaep aana aane aanp aapa aapc abaa abab abac abae aban abap abb- abba abbb abbe abca abcb abcc abcn abcp abec abee aben abpa abpc abpn abpp acaa acab acac acae acan acap acba acca accc acce accp ace- acea acec acen acne acpa acpe aeac aean aeap aebn aecb aena ana- anaa anab anac anae anan anap anba anbb anca ancc ance anec anee anen anna annb anne anp- anpa anpp apac apan apap apba apca apcb apcc apcn apea apec apen apep apna apne appa appc baaa baan baba babb babe bac- baca bacc bace bacn bana banc bane bann banp bapa bapc bape bapp bbbb bbeb bcaa bcap bcbc bcbp bcca bccc bcec bcpp bean beap beba bebb bebe beca beeb been beep bena bene benn bnpp bpcp bpea caaa caab caac caan caap caba cabe cac- caca cacc cace caec caen cana canc cane cann canp capa capb capc cape capn capp cbac cbbc cbca cbcc cbce cbcn cbcp cbea cbec cbee cbna cbpc cbpp ccaa ccab ccac ccap ccba ccbc ccbn ccca cccb cccc cccp ccee ccna ccnb ccnc ccne ccnp ccpa ccpe ccpn ccpp ceac cean ceba cebp cec- ceca cece cecp ceeb ceec cen- cena cene cepa cepc cepe cepp cnaa cnac cnap cnbc cnbp cncp cnep cnna cnpa cpaa cpac cpan cpap cpbc cpca cpce cpea cpeb cpep cpnb cppa eaba eaca eacc eaec eana eapc eapp ebac eban ebba ebbc ebcc eben ecaa ecac ecan ecbc ecbe ecca eccb eccc ecce ecne ecpa ecpp eeca eeea eeee eena enab enac enan enap enb- enbn enca ence enea enee enna ennc enne enp- enpa epaa epac epcc epec epee epen eppa eppc eppp naaa naab naac naan naba nabc nabe naca nacc nace nacp naea nan- nana nanb nane nann nanp napa napb nape napp nbaa nbap nbbc nbca nbcc nbpa nbpp ncaa ncac ncap ncba ncbc ncca nccc nccn nccp ncea ncec ncee ncen ncep ncna ncnc ncpa ncpc neab neac nean neap neba nebb nebe nebn neca necc nece neea neeb neen neep nena nene nepa nepc nepe nnnn npac npap npca npcc nppa nppc paan paap paba paca pace paea paec paen paep pan- pana panc pane pann papa papb pape papp pbac pban pbcc pbpa pcaa pcae pcap pcba pcbc pcca pccc pcce pcea pcep pcpb pcpn pcpp peab peac pean peap peba peca pece peec peen peep pen- pena penc pene penn pepa pepe pnac pnca pnea pnec pnpp ppac ppan ppap ppcc ppen pppa pppn pppp