-er a-a a-b aaa aab aae aan aap aar aas ab- aba abb abe abn abp abr abs aea aeb aee aen aep aer aes an- ana anb ane ann anp anr ans ap- apa apb ape apn app apr aps ar- ara arb are arn arp arr ars as- asa asb ase asn asp asr ass b-p baa bab bae ban bap bar bas bba bbb bbe bbn bbp bbr bbs be- bea beb bee ben bep ber bes bna bnb bne bnn bnp bnr bns bpa bpb bpe bpn bpp bpr bps bra brb bre brn brp brr brs bsa bsb bse bsn bsp bsr bss eaa eab eae ean eap ear eas eba ebb ebe ebn ebp ebr ebs eea eeb eee een eep eer ees en- ena enb ene enn enp enr ens ep- epa epb epe epn epp epr eps era erb ere ern erp err ers es- esa esb ese esn esp esr ess naa nab nae nan nap nar nas nba nbb nbe nbn nbp nbr nbs ne- nea neb nee nen nep ner nes nna nnb nne nnn nnp nns npa npb npe npn npp npr nps nra nrb nre nrn nrp nrr nrs nsa nsb nse nsn nsp nsr nss p-p paa pab pae pan pap par pas pba pbb pbe pbn pbp pbr pbs pea peb pee pen pep per pes pn- pna pnb pne pnn pnp pnr pns ppa ppb ppe ppn ppp ppr pps pra prb pre prn prp prr prs ps- psa psb pse psn psp psr pss ra- raa rab rae ran rap rar ras rba rbb rbe rbn rbp rbr rbs re- rea reb ree ren rep rer res rna rnb rnn rnp rnr rns rpa rpb rpe rpn rpp rpr rps rra rrb rrn rrp rrr rrs rsa rsb rse rsn rsp rsr rss saa sab sae san sap sar sas sba sbb sbe sbn sbp sbr sbs se- sea seb see sen sep ser ses sna snb sne snn snp snr sns spa spb spe spn spp spr sps sr- sra srb sre srn srp srr srs ss- ssa ssb sse ssn ssp ssr sss

-ana -ane -ase -ene a-be aaaa aaab aaae aaan aaap aaar aaas aaba aabb aabp aaea aaen aaep aaes aana aane aanp aapa aaps aara aare aarp aars aasa aase aass abaa abab abae aban abap abar abas abb- abba abbb abbe abbr abbs abee aben aber abes abpa abpn abpp abpr abps abra abrs abs- absa abse absp abss aean aeap aeas aebn aebs aeer aena aer- aera aers aess ana- anaa anab anae anan anap anar anas anba anbb anee anen aner anes anna annb anne anns anp- anpa anpp anpr ansa anse ansp apan apap apar apas apba apbr apbs apea apen apep aper apes apna apne appa appr apps apra apre aprn aprs apsa apse apss arab arae aran arap arar aras arba arbe arbs area aree aren arep ares arna arne arns arpa arpe arps arr- arra arre arrr arrs ars- arsa arse asaa asab asae asan asap asar asas asba asea asee asen asep aser ases asne aspa aspe aspr asps asra asrs assa asse assn assp assr asss baaa baan baar baas baba babb babe babr babs baer baes bana bane bann banp banr bans bapa bape bapp baps bar- bara barb bare barn barr bars basa base bass bbas bbbb bbbs bbeb bbpr bean beap bear beas beba bebb bebe beeb been beep beer bees bena bene benn bens bera bere bern berr bers bes- besa bese bess bnas bner bnpp bnrr bnss bpea bpsa brab brae bran bras brea breb bree bren brep brer bres brna brns brrr brrs brsb brsr bsaa bsap bsas bsea bseb bsee bser bses bsns bspp bspr bsra bsse eaba eana eans eapp eaps eara earb eare earn earp ears easa ease eban ebba ebbr ebbs eben eber ebes ebsa eeea eeee eees eena eens eeps eera eers eese enab enan enap enas enb- enbn enbr enea enee ener enes enna enne enns enp- enpa enra enrs ensa ense epaa epas epee epen eper epes epns eppa eppp epps epra eprb eprp eprs epsa epsp epss eran erap eras erba erbb erbe ereb eren erer eres erna erne erns erpa erpe erps erra erre errs ersa erse esab esan esar esas esba esbs esea esee esen eser eses esna esne espa espe espn espp esps esra essa esse essp naaa naab naan naar naas naba nabe nabs naea naes nan- nana nanb nane nann nanp nans napa napb nape napp naps nara nare narn narp narr nars nas- nasa nasb nase nasp nasr nass nbaa nbap nbar nbas nber nbpa nbpp nbps nbsp neab nean neap near neas neba nebb nebe nebn nebr nebs neea neeb neen neep neer nees nena nene nens nepa nepe nepr neps nera nere nerr ners nesa nesb nese nesn nesr ness nnes nnnn nnpr nnsa nnss npap npas npes nppa npra npsa npss nrab nrap nras nren nrna nrpn nrps nrsa nrsp nsaa nsar nseb nsep nser nsna nsnr nsps nsra nssa nssb nsse nssp nssr nsss paan paap paar paas paba paea paen paep paer paes pan- pana pane pann pans papa papb pape papp papr paps par- para pare parn parp parr pars pasa pase pasp pass pban pbar pbpa pbrs pbsa pbsp peab pean peap pear peas peba peen peep peer pees pen- pena pene penn pens pepa pepe peps per- pera pere pern perp perr pers pesa pese pess pnar pnas pnea pnes pnpp pnra ppan ppap ppar ppen pper pppa pppn pppp ppps ppss prae pran prar pras prbs pre- preb pree pren prep pres prna prnp prps prrs prsa prse prss psap psas psbr pseb psna psnr pspp pspr psps psrp pssa psse raab raan raas raba rabb rabe rabs raen raep raer raes rana rane rann rans rapa rape rapp raps rara rarb rare rars rasa rase rasp rass rbbb rbbr