-er a-a a-b a-t aaa aab aae aaf aar aas aat ab- aba abb abe abf abr abs abt aea aeb aee aef aer aes aet af- afa afb afe aff afr afs aft ar- ara arb are arf arr ars art as- asa asb ase asf asr ass ast at- ata atb ate atf atr ats att baa bab bae baf bar bas bat bba bbb bbe bbf bbr bbs bbt be- bea beb bee bef ber bes bet bfa bfb bfe bff bfr bfs bft bra brb bre brf brr brs brt bsa bsb bse bsf bsr bss bst bta btb bte btf btr bts btt eaa eab eae eaf ear eas eat eba ebb ebe ebf ebr ebs ebt eea eeb eee eef eer ees eet ef- efa efb efe eff efr efs eft era erb ere erf err ers ert es- esa esb ese esf esr ess est eta etb ete etf etr ets ett faa fab fae faf far fas fat fba fbb fbe fbf fbr fbs fbt fea feb fee fef fer fes fet ffa ffe fff ffr ffs fft fra frb fre frf frr frs frt fsa fsb fse fsf fsr fss fst fta ftb fte ftf ftr fts ftt ra- raa rab rae raf rar ras rat rba rbb rbe rbf rbr rbs rbt re- rea reb ree ref rer res ret rfa rfb rfe rff rfr rfs rft rra rrb rrf rrr rrs rrt rsa rsb rse rsf rsr rss rst rta rtb rte rtf rtr rts rtt saa sab sae saf sar sas sat sba sbb sbe sbf sbr sbs sbt se- sea seb see sef ser ses set sfa sfb sfe sff sfr sfs sft sr- sra srb sre srf srr srs srt ss- ssa ssb sse ssf ssr sss sst sta stb ste stf str sts stt taa tab tae taf tar tas tat tba tbb tbe tbf tbr tbs tbt te- tea teb tee tef ter tes tet tfa tfb tfe tff tfr tfs tft tra trb tre trf trr trs trt tsa tsb tse tsf tsr tss tst tta ttb tte ttf ttr tts ttt

-ase a-be aaaa aaab aaae aaaf aaar aaas aaba aabb aabt aaea aaes aafa aafb aaff aara aare aars aart aasa aase aasf aass aast aata aatf aatt abaa abab abae abaf abar abas abat abb- abba abbb abbe abbr abbs abbt abee aber abes abet abff abra abrs abs- absa abse absf abss abta abts aeaf aeas aebs aeer aer- aera aers aess aest aeta aetf aetr aett afaa afar afat afbs afee afer afes afet affa affs afft afr- afra afre afrs afsa afsb afst afta afte afts arab arae araf arar aras arat arba arbe arbs area aree aref ares aret arfa arfb arff arfs arft arr- arra arre arrr arrs arrt ars- arsa arse arst arta arte artr arts asaa asab asae asaf asar asas asat asba asea asee aser ases aset asfa asra asrs assa asse assr asss asst asta astb aste astr asts at-t ataa atab atae atar atas atat atbs atea atee atef ater ates atfb atfe atfs atra atre atsb atse atst atta atte attr atts baaa baaf baar baas baat baba babb babe babr babs baer baes baff baft bar- bara barb bare barf barr bars bart basa base basf bass bast bata bate batf bats batt bbas bbbb bbbs bbeb bbet beaf bear beas beat beba bebb bebe beeb beef beer bees beet befa befe beff beft bera bere berr bers bert bes- besa bese bess best beta bete bets bett bfas bffs bfsr bfta bfts bftt brab brae braf bras brat brea breb bree bref brer bres bret brrr brrs brsb brsr brst bsaa bsas bsat bsea bseb bsee bser bses bset bsfa bsff bsfs bsra bsse bsts btaa btaf btrt btss bttb eaaf eaba eafb eara earb eare ears eart easa ease east eata eate eats ebba ebbr ebbs eber ebes ebsa eeea eeee eees eefa eefe eera eers eese eeta eete eets efab efas efbr efes efet effa effs efsa eft- efta efts eraf eras erat erba erbb erbe ereb erer eres eret erfs erft erra erre errs ersa erse erst erta erts esab esar esas esat esba esbs esea esee eser eses eset esfs esra essa esse esst esta este estr ests etas etat etbr etee eter etes etfa etfb etfe etra etre etta ette faaa faas faba fabe fabs faeb faes fafa fafe faff fara farb fare farr fars fart fasa fase fass fast fata fate fatf fats fatt fbar fbrs feaf fear feas feat feba febs feeb feer fees feet fefe feff fera ferb fere ferr fers fert fesa fese fess fest feta fete fetr fets fett ffar ffee ffff ffrr ffsa ffss fftf frab frae fras frat frea free fres fret frsb frst frta fsas fsra fssa fssf fsta ftea fter ftrs ftsa ftse ftsr raab raaf raas raat raba rabb rabe rabs raef raer raes rafa rafe raff raft rara rarb rare rarf rars rasa rase rass rast rata rate ratf rats ratt rbaf rbbb rbbr rbbs rbss rbst rea- reae reaf rear reas reat reba rebb rebe rebs reeb reef rees reet refe reff refr refs reft rera rere rers rert resa rese ress rest reta rete retr rets rett rfae rfef rras rrat rrrr rsaa rsaf rsee rsre rssa rsts rtas rtbf rtee rtes rtfb rtss rtts saab saae saaf saar saas saat saba sabb sabe sabr sabs saeb saer saes safa safb safe saff safr saft sara sare sarf sarr sars sart sasa sase sasf sass sast sata satb sate satr sats satt sbaa sbar sbas sbbs sbef sber sbsa sbse sbst se-e se-f se-s se-t seaa seab seaf sear seas seat seba sebe sebs sebt seea seeb seef seer sees seet sefa seff seft sera serb sere serf serr sers sert sesa sese sess sest set- seta sete setf sets sett sfar sfas sfba sfer sfra sfss sfts sraf