-er a-a a-b a-t aaa aab aad aae aam aar aat ab- aba abb abd abe abm abr abt ad- ada adb add ade adm adr adt aea aeb aed aee aem aer aet ama amb amd ame amm amr amt ar- ara arb ard are arm arr art at- ata atb atd ate atm atr att baa bab bad bae bam bar bat bba bbb bbd bbe bbm bbr bbt bda bdb bdd bde bdm bdr bdt be- bea beb bed bee bem ber bet bma bmb bmd bme bmm bmr bmt bra brb brd bre brm brr brt bta btb btd bte btm btr btt daa dab dad dae dam dar dat dba dbb dbd dbe dbm dbr dbt dda ddb ddd dde ddm ddr ddt de- dea deb ded dee dem der det dma dmb dmd dme dmm dmr dmt dra drb drd dre drm drr drt dta dtb dtd dte dtm dtr dtt eaa eab ead eae eam ear eat eba ebb ebd ebe ebm ebr ebt ed- eda edb edd ede edm edr edt eea eeb eed eee eem eer eet em- ema emb emd eme emm emr emt era erb erd ere erm err ert eta etb etd ete etm etr ett m-r maa mab mad mae mam mar mat mba mbb mbd mbe mbm mbr mbt mda mdb mdd mde mdm mdr mdt mea meb med mee mem mer met mma mmb mmd mme mmm mmr mmt mra mrb mrd mre mrm mrr mrt mta mtb mtd mte mtm mtr mtt ra- raa rab rad rae ram rar rat rba rbb rbd rbe rbm rbr rbt rda rdb rdd rde rdm rdr rdt re- rea reb red ree rem rer ret rma rmb rmd rme rmm rmr rmt rra rrb rrd rrm rrr rrt rta rtb rtd rte rtm rtr rtt taa tab tad tae tam tar tat tba tbb tbd tbe tbm tbr tbt tda tdb tdd tde tdm tdr tdt te- tea teb ted tee tem ter tet tma tmb tmd tme tmm tmr tmt tra trb trd tre trm trr trt tta ttb ttd tte ttm ttr ttt

a-be aaaa aaab aaad aaae aaam aaar aaba aabb aabd aabm aabt aada aade aadt aaea aaem aama aamb aamd aame aamr aara aard aare aarm aart aata aatt abaa abab abad abae abam abar abat abb- abba abbb abbe abbr abbt abda abed abee aber abet abma abmb abmt abra abta adaa adab adad adae adam adar adat adba adda addd adde addr adea adeb adee adem ader adet adma admb adme admr adra adre adta aede aedt aeer aemt aer- aera aerd aeta aetr aett amaa amad amae amam amar amat amb- amba ambe ambr amda amdt amed amee amer amet amm- amma amme amra amta amte arab arad arae aram arar arat arba arbe arda arde ardm area ared aree arem aret arma armd arme armm armt arr- arra arre arrr arrt arta arte artr at-t ataa atab atad atae atar atat atdt atea ated atee atem ater atm- atma atme atra atre atrm atta atte attr baaa baad baam baar baat baba babb babe babm babr bada badb badd bade badr baed baer bama bamb bame bamm bar- bara barb bard bare barm barr bart bata bate batt bbad bbbb bbdd bbeb bbet bd-r bdrm bead beam bear beat beba bebb bebe beda bede beeb beed beem beer beet bema beme bera berd bere berm berr bert beta bete bett bmaa bmdb brab brad brae bram brat brda brdm brdt brea breb bred bree brem brer bret brrm brrr btaa btdt btrt bttb daab daad daae daam daar daba dabb dabt dada dade daeb daem daer dama damb dame damm dara darb dard dare darr dart data date datr datt dbar dbtt dddd ddre dead deae dear deba debe debt deda dedd dede deeb deed deem deer deet dem- dema demb demd deme der- dera derb dere derm derr deta dete detr dmaa dmab dmae dmba dmdt dmea dmrb draa drab drad dram drar drat drba drda drea dred dree drem dret drra dtaa dted eaba eada eadb eadd eama eame eara earb eard eare eart eata eate ebam ebba ebbr ebed eber edad edam edar edda edde eddm ede- edea edem eder edma edme edra edrm edta eede eeea eeee eera eeta eete emad emae emam emar emba embd embe embr emdt emer emet emma emme emra emre emta emte erad eram erat erba erbb erbe erda erde ereb ered erem erer eret erma erme erra erre erta etam etat etbr etee etem eter etra etre etrm etta ette maaa maad maam maar maat maba mabe mada madb madd made madt maee maem maer mama mame mar- mara mard mare marm marr mart mata mate matr matt mbam mbba mbda mbdb mbed mbta mdat mddm mdea mdma mdme mdra mdta mead mear meat mebe meda medb medd mede meed meem meer meet mema meme memr mer- mera merb merd mere merm mert met- meta mete mett mmaa mmab mmar mmda mmdb mmea mmmd mmmm mrad mrbb mrbm mrda mrdd mreb mred mree mrmd mrta mrtm mrtt mtaa mtab mtbd mtre mtrr mttr raab raad raam raat raba rabb rabe rada radd rade radm radr radt raed raer rama ramb rame ramm rara rarb rare rata rate ratt rbbb rbbr rdbm rder rdma rea- read reae ream rear reat reba rebb rebe reda redd rede redr reeb reed reem reet rema reme rera rerd rere rert reta retd rete retr rett rrad rrat rred rrrr rtdt rtee taa- taar taat taba tabb tabe tada tade taem taer tama tamd tame tamm tara tarb tard tare tarm tarr tart tata tatb tate tatr tatt tbar tbrb tbta tddb tdma tdra tead team tear teat teba teda tedd tede tedm teed teem teer teet tema teme ter- tera tere term terr teta tete tetr tett tmaa tmbr tmed tmtt traa trab trad trae tram trat tre- trea tred tree trem