-er a-a a-b a-t aaa aab aae aap aar aas aat ab- aba abb abe abp abr abs abt aea aeb aee aep aer aes aet ap- apa apb ape app apr aps apt ar- ara arb are arp arr ars art as- asa asb ase asp asr ass ast at- ata atb ate atp atr ats att b-p baa bab bae bap bar bas bat bba bbb bbe bbp bbr bbs bbt be- bea beb bee bep ber bes bet bpa bpb bpe bpp bpr bps bpt bra brb bre brp brr brs brt bsa bsb bse bsp bsr bss bst bta btb bte btp btr bts btt eaa eab eae eap ear eas eat eba ebb ebe ebp ebr ebs ebt eea eeb eee eep eer ees eet ep- epa epb epe epp epr eps ept era erb ere erp err ers ert es- esa esb ese esp esr ess est eta etb ete etp etr ets ett p-p paa pab pae pap par pas pat pba pbb pbe pbp pbr pbs pbt pea peb pee pep per pes pet ppa ppb ppe ppp ppr pps ppt pra prb pre prp prr prs prt ps- psa psb pse psp psr pss pst pt- pta ptb pte ptp ptr pts ptt ra- raa rab rae rap rar ras rat rba rbb rbe rbp rbr rbs rbt re- rea reb ree rep rer res ret rpa rpb rpe rpp rpr rps rpt rra rrb rrp rrr rrs rrt rsa rsb rse rsp rsr rss rst rta rtb rte rtp rtr rts rtt saa sab sae sap sar sas sat sba sbb sbe sbp sbr sbs sbt se- sea seb see sep ser ses set spa spb spe spp spr sps spt sr- sra srb sre srp srr srs srt ss- ssa ssb sse ssp ssr sss sst sta stb ste stp str sts stt taa tab tae tap tar tas tat tba tbb tbe tbp tbr tbs tbt te- tea teb tee tep ter tes tet tpa tpb tpe tpp tpr tps tpt tra trb tre trp trr trs trt tsa tsb tse tsp tsr tss tst tta ttb tte ttp ttr tts ttt

-ase a-be aaaa aaab aaae aaap aaar aaas aaba aabb aabp aabt aaea aaep aaes aapa aaps aapt aara aare aarp aars aart aasa aase aass aast aata aatt abaa abab abae abap abar abas abat abb- abba abbb abbe abbr abbs abbt abee aber abes abet abpa abpp abpr abps abra abrs abs- absa abse absp abss abta abts aeap aeas aebs aeer aer- aera aers aess aest aeta aetr aett apap apar apas apat apba apbr apbs apea apep aper apes apet appa appr apps appt apra apre aprs aprt apsa apse apss apta apte apts aptt arab arae arap arar aras arat arba arbe arbs area aree arep ares aret arpa arpe arps arr- arra arre arrr arrs arrt ars- arsa arse arst arta arte artr arts asaa asab asae asap asar asas asat asba asea asee asep aser ases aset aspa aspe aspr asps aspt asra asrs assa asse assp assr asss asst asta astb aste astp astr asts at-t ataa atab atae atap atar atas atat atbs atea atee atep ater ates atpr atra atre atrp atsb atse atst atta atte attp attr atts baaa baar baas baat baba babb babe babr babs baer baes bapa bape bapp baps bapt bar- bara barb bare barr bars bart basa base bass bast bata bate bats batt bbas bbbb bbbs bbeb bbet bbpr beap bear beas beat beba bebb bebe beeb beep beer bees beet bera bere berr bers bert bes- besa bese bess best beta bete bets bett bpea bpsa brab brae bras brat brea breb bree brep brer bres bret brrr brrs brsb brsr brst bsaa bsap bsas bsat bsea bseb bsee bser bses bset bspp bspr bsra bsse bsts btaa btbp btps btrt btss bttb eaba eapp eaps eara earb eare earp ears eart easa ease east eata eate eats ebba ebbr ebbs eber ebes ebsa eeea eeee eees eeps eera eers eese eeta eete eets epaa epas epee eper epes eppa eppp epps epra eprb eprp eprs epsa epsp epss epta epte erap eras erat erba erbb erbe ereb erer eres eret erpa erpe erps erra erre errs ersa erse erst erta erts esab esar esas esat esba esbs esea esee eser eses eset espa espe espp esps esra essa esse essp esst esta este estp estr ests etap etas etat etbr etee eter etes etra etre etta ette paap paar paas paat paba pabt paea paep paer paes papa papb pape papp papr paps par- para pare parp parr pars part pasa pase pasp pass past pata pate patr pats patt pbar pbpa pbrs pbsa pbsp peab peap pear peas peat peba peep peer pees peet pepa pepe peps per- pera pere perp perr pers pert pesa pese pess pest peta pete petr pets pett ppap ppar pper pppa pppp ppps ppss ppta ppts pptt prae prar pras prat prbs pre- preb pree prep pres pret prps prrs prsa prse prss prtp prtr psap psas psat psbr psbt pseb pspp pspr psps psrp pssa psse psst psts ptab ptas pter ptsa raab raas raat raba rabb rabe rabs raep raer raes rapa rape rapp raps rapt rara rarb rare rars rasa rase rasp rass rast rata rate ratp rats ratt rbbb rbbr rbbs rbsp rbss rbst rea- reae reap rear reas reat reba rebb rebe rebs reeb reep rees reet repe repp repr reps rept rera rere rers rert resa rese resp ress rest reta rete retr rets rett rpet rpps rpta rpts rras rrat rrrr rrsp rsaa rsee rspb rsps rsre rssa rstp rsts rtas rtee rtes rtpa rtps rtss rttp rtts saab saae saap saar saas saat saba sabb sabe sabr sabs saeb saer saes sapa sape sapp saps sara sare sarp sarr sars sart sasa sase sass sast sata satb sate satr sats satt sbaa