-er a-a a-b aaa aab aad aae aaf aam aar ab- aba abb abd abe abf abm abr ad- ada adb add ade adf adm adr aea aeb aed aee aef aem aer af- afa afb afd afe aff afm afr ama amb amd ame amf amm amr ar- ara arb ard are arf arm arr baa bab bad bae baf bam bar bba bbb bbd bbe bbf bbm bbr bda bdb bdd bde bdf bdm bdr be- bea beb bed bee bef bem ber bfa bfb bfd bfe bff bfm bfr bma bmb bmd bme bmf bmm bmr bra brb brd bre brf brm brr daa dab dad dae daf dam dar dba dbb dbd dbe dbf dbm dbr dda ddb ddd dde ddf ddm ddr de- dea deb ded dee def dem der dfa dfb dfd dfe dff dfm dfr dma dmb dmd dme dmf dmm dmr dra drb drd dre drm drr eaa eab ead eae eaf eam ear eba ebb ebd ebe ebf ebm ebr ed- eda edb edd ede edf edm edr eea eeb eed eee eef eem eer ef- efa efb efd efe eff efm efr em- ema emb emd eme emf emm emr era erb erd ere erf erm err faa fab fad fae faf fam far fba fbb fbd fbe fbf fbm fbr fda fdb fdd fde fdf fdm fdr fea feb fed fee fef fem fer ffa ffd ffe fff ffm ffr fma fmb fmd fme fmf fmm fmr fra frb frd fre frf frm frr m-f m-r maa mab mad mae maf mam mar mba mbb mbd mbe mbf mbm mbr mda mdb mdd mde mdf mdm mdr mea meb med mee mef mem mer mfa mfb mfd mfe mff mfm mfr mma mmb mmd mme mmf mmm mmr mra mrb mrd mre mrf mrm mrr ra- raa rab rad rae raf ram rar rba rbb rbd rbe rbf rbm rbr rda rdb rdd rde rdf rdm rdr re- rea reb red ree ref rem rer rfa rfb rfd rfe rff rfm rfr rma rmb rmd rme rmf rmm rmr rra rrb rrd rrf rrm rrr

a-be aaaa aaab aaad aaae aaaf aaam aaar aaba aabb aabd aabm aada aade aaea aaem aafa aafb aafd aaff aama aamb aamd aame aamr aara aard aare aarm abaa abab abad abae abaf abam abar abb- abba abbb abbe abbr abda abed abee aber abff abma abmb abra adaa adab adad adae adam adar adba adda addd adde addr adea adeb adee adem ader adfa adma admb adme admr adra adre aeaf aede aeer aer- aera aerd afaa afad afam afar afdb afee afer affa afma afr- afra afre afrm amaa amad amae amam amar amb- amba ambe ambr amda amed amee amer amfm amfr amm- amma amme amra arab arad arae araf aram arar arba arbe arda arde ardf ardm area ared aree aref arem arfa arfb arff arma armd arme armm arr- arra arre arrr baaa baad baaf baam baar baba babb babe babm babr bada badb badd bade badr baed baer baff bama bamb bame bamf bamm bar- bara barb bard bare barf barm barr bbad bbbb bbdd bbeb bd-r bdrm bead beaf beam bear beba bebb bebe beda bede beeb beed beef beem beer befa befe beff bema beme bera berd bere berm berr bfme bmaa bmdb brab brad brae braf bram brda brdm brea breb bred bree bref brem brer brfm brrm brrr daab daad daae daam daar daba dabb dada dade daeb daem daer dafa dafe daff dama damb dame damm dara darb dard dare darf darr dbar dddd ddre dead deae deaf dear deba debe deda dedd dede deeb deed deef deem deer defe deff dem- dema demb demd deme der- dera derb dere derf derm derr dfaf dfer dffa dfma dfrf dmaa dmab dmae dmba dmbf dmea dmfa dmrb draa drab drad draf dram drar drba drda drea dred dree dref drem drra eaaf eaba eada eadb eadd eafb eama eame eara earb eard eare ebam ebba ebbr ebed eber edad edam edar edda edde eddm ede- edea edem eder edfa edma edme edra edrm eede eeea eeee eefa eefe eera efab efbr efda effa efma efmd emad emae emam emar emba embd embe embr emer emma emme emra emre erad eraf eram erba erbb erbe erda erde erdf ereb ered erem erer erma erme erra erre faaa faad faam faba fabd fabe fabm fada fadd fade faeb faem fafa fafe faff fama fame fara farb fard fare farm farr fbar fead feaf feam fear feba feda fede feeb feed feem feer fefe feff fema femb feme femm fera ferb ferd fere ferm ferr ffar ffee ffff ffrr fmea frab frad frae fram frea fred free frem maaa maad maaf maam maar maba mabe mada madb madd made maee maem maer mafa mafb maff mama mame mamf mar- mara mard mare marf marm marr mbam mbba mbda mbdb mbed mdbf mddm mdea mdef mdma mdme mdmf mdra mead mear mebe meda medb medd mede meed meef meem meer mefe meff mema meme memr mer- mera merb merd mere merf merm mfbm mffa mmaa mmab mmar mmda mmdb mmdf mmea mmfd mmff mmmd mmmm mmrf mrad mrbb mrbm mrda mrdd mreb mred mree mrmd raab raad raaf raam raba rabb rabe rada radd rade radm radr raed raef raer rafa rafe raff rama ramb rame ramm rara rarb rare rarf rbaf rbbb rbbr rdbm rder rdfa rdma rea- read reae reaf ream rear reba rebb rebe reda redd rede redr reeb reed reef reem refd refe reff refr rema reme rera rerd rere rfae rfam rfef rfem rmaf rrad rred rrrr

-aaa- -abad a-ram aaaam aaaee aabaa aabba aabra aadam aadma aaeaf aamed aamer aamra aaram aarma abaab ababa ababe abada abade abaer abara abare abbad abbar abbed abead abeam abear abeba abebe abede abeed abeer abera abere aberr abfab abrad abram abrar adaba adabe adada adama adame adara adare adber addae addea added adder addme