-er a-a a-b a-t aaa aab aae aaf aam aar aas aat ab- aba abb abe abf abm abr abs abt aea aeb aee aef aem aer aes aet af- afa afb afe aff afm afr afs aft ama amb ame amf amm amr ams amt ar- ara arb are arf arm arr ars art as- asa asb ase asf asm asr ass ast at- ata atb ate atf atm atr ats att baa bab bae baf bam bar bas bat bba bbb bbe bbf bbm bbr bbs bbt be- bea beb bee bef bem ber bes bet bfa bfb bfe bff bfm bfr bfs bft bma bmb bme bmf bmm bmr bms bmt bra brb bre brf brm brr brs brt bsa bsb bse bsf bsm bsr bss bst bta btb bte btf btm btr bts btt eaa eab eae eaf eam ear eas eat eba ebb ebe ebf ebm ebr ebs ebt eea eeb eee eef eem eer ees eet ef- efa efb efe eff efm efr efs eft em- ema emb eme emf emm emr ems emt era erb ere erf erm err ers ert es- esa esb ese esf esm esr ess est eta etb ete etf etm etr ets ett faa fab fae faf fam far fas fat fba fbb fbe fbf fbm fbr fbs fbt fea feb fee fef fem fer fes fet ffa ffe fff ffm ffr ffs fft fma fmb fme fmf fmm fmr fms fmt fra frb fre frf frm frr frs frt fsa fsb fse fsf fsm fsr fss fst fta ftb fte ftf ftm ftr fts ftt m-f m-r maa mab mae maf mam mar mas mat mba mbb mbe mbf mbm mbr mbs mbt mea meb mee mef mem mer mes met mfa mfb mfe mff mfm mfr mfs mft mma mmb mme mmf mmm mmr mms mmt mra mrb mre mrf mrm mrr mrs mrt msa msb mse msf msm msr mss mst mta mtb mte mtf mtm mtr mts mtt ra- raa rab rae raf ram rar ras rat rba rbb rbe rbf rbm rbr rbs rbt re- rea reb ree ref rem rer res ret rfa rfb rfe rff rfm rfr rfs rft rma rmb rme rmf rmm rmr rms rmt rra rrb rrf rrm rrr rrs rrt rsa rsb rse rsf rsm rsr rss rst rta rtb rte rtf rtm rtr rts rtt saa sab sae saf sam sar sas sat sba sbb sbe sbf sbm sbr sbs sbt se- sea seb see sef sem ser ses set sfa sfb sfe sff sfm sfr sfs sft sma smb sme smf smm smr sms smt sr- sra srb sre srf srm srr srs srt ss- ssa ssb sse ssf ssm ssr sss sst sta stb ste stf stm str sts stt taa tab tae taf tam tar tas tat tba tbb tbe tbf tbm tbr tbs tbt te- tea teb tee tef tem ter tes tet tfa tfb tfe tff tfm tfr tfs tft tma tmb tme tmf tmm tmr tms tmt tra trb tre trf trm trr trs trt tsa tsb tse tsf tsm tsr tss tst tta ttb tte ttf ttm ttr tts ttt

-ase a-be aaaa aaab aaae aaaf aaam aaar aaas aaba aabb aabm aabt aaea aaem aaes aafa aafb aaff aama aamb aame aamr aams aara aare aarm aars aart aasa aase aasf aasm aass aast aata aatf aatt abaa abab abae abaf abam abar abas abat abb- abba abbb abbe abbr abbs abbt abee aber abes abet abff abma abmb abms abmt abra abrs abs- absa abse absf abss abta abts aeaf aeas aebs aeer aemt aer- aera aers aess aest aeta aetf aetr aett afaa afam afar afat afbs afee afer afes afet affa affs afft afma afr- afra afre afrm afrs afsa afsb afsm afst afta afte afts amaa amae amam amar amas amat amb- amba ambe ambr ambs amee amer ames amet amfm amfr amm- amma amme amra amsa amss amst amta amte amts arab arae araf aram arar aras arat arba arbe arbs area aree aref arem ares aret arfa arfb arff arfs arft arma arme armm arms armt arr- arra arre arrr arrs arrt ars- arsa arse arst arta arte artr arts asaa asab asae asaf asam asar asas asat asba asbm asea asee asem aser ases aset asfa asma asme asmf asmm asmr asms asmt asra asrm asrs assa asse assr asss asst asta astb aste astm astr asts at-t ataa atab atae atar atas atat atbs atea atee atef atem ater ates atfb atfe atfs atm- atma atme atms atra atre atrm atsb atse atst atta atte attr atts baaa baaf baam baar baas baat baba babb babe babm babr babs baer baes baff baft bama bamb bame bamf bamm bams bar- bara barb bare barf barm barr bars bart basa base basf bass bast bata bate batf bats batt bbas bbbb bbbs bbeb bbet beaf beam bear beas beat beba bebb bebe beeb beef beem beer bees beet befa befe beff beft bema beme bera bere berm berr bers bert bes- besa bese besm bess best beta bete bets bett bfas bffs bfme bfsr bfta bfts bftt bmaa bmts brab brae braf bram bras brat brea breb bree bref brem brer bres bret brfm brrm brrr brrs brsb brsr brst bsaa bsam bsas bsat bsea bseb bsee bser bses bset bsfa bsff bsfs bsms bsmt bsra bsrm bsse bssm bsts btaa btaf btrt btss bttb eaaf eaba eafb eama eame eams eara earb eare ears eart easa ease east eata eate eats ebam ebba ebbr ebbs eber ebes ebsa eeea eeee eees eefa eefe eems eera eers eese eeta eete eets efab efas efbr efes efet effa effs efma efsa efsm eft- efta efts emae emam emar emas emba embe embr embs emer emes emet emma emme emms emra emre emrs emsa emse emst emta emte emts eraf eram eras erat erba erbb erbe ereb erem erer eres eret erfs erft