-er -th bbb bbd bbe bbh bbl bbr bbt bdb bdd bde bdh bdl bdr bdt be- beb bed bee beh bel ber bet bhb bhd bhe bhh bhl bhr bht blb bld ble blh bll blr blt brb brd bre brh brl brr brt btb btd bte bth btl btr btt dbb dbd dbe dbh dbl dbr dbt ddb ddd dde ddh ddl ddr ddt de- deb ded dee deh del der det dh- dhb dhd dhe dhh dhl dhr dht dl- dlb dld dle dlh dll dlr dlt drb drd dre drl drr drt dtb dtd dte dth dtl dtr dtt ebb ebd ebe ebh ebl ebr ebt ed- edb edd ede edh edl edr edt eeb eed eee eel eer eet ehb ehd ehe ehh ehl ehr eht elb eld ele elh ell elr elt erb erd ere erh erl err ert etb etd ete eth etl etr ett hbb hbd hbe hbh hbl hbr hbt hdb hdd hde hdh hdl hdr hdt he- heb hed hee heh hel her het hhb hhd hhe hhh hhl hhr hht hlb hld hle hlh hll hlr hlt hr- hrb hrd hre hrh hrl hrr hrt htb htd hte hth htl htr htt lbb lbd lbe lbh lbl lbr lbt ldb ldd lde ldh ldl ldr ldt leb led lee leh lel ler let lhb lhd lhh lhr lht llb lld lle lll llr llt lrb lrd lrh lrr lrt ltb ltd lte lth ltl ltr ltt rbb rbd rbe rbh rbl rbr rbt rdb rdd rde rdh rdl rdr rdt re- reb red ree reh rel rer ret rh- rhb rhd rhe rhh rhl rhr rht rld rle rlh rll rlr rlt rrb rrd rrh rrl rrr rrt rtb rtd rte rtl rtr rtt tbb tbd tbe tbh tbl tbr tbt tdb tdd tde tdh tdl tdr tdt te- teb ted tee teh tel ter tet th- thb thd the thh thl thr tht tld tle tlh tll tlr tlt trb trd tre trh trl trr trt ttb ttd tte tth ttl ttr ttt

bbbb bbdd bbeb bbet bblb bd-r bddh bdle bebb bebe bede bedl beeb beed beel beer beet behr beld bele bell belt berd bere berr bert bete beth bett bhdl bhel bher bhet bhrt blbt bldr bleb bled blee bleh blet brdt breb bred bree brel brer bret brrr btdt btrt bttb dbtt dddd ddre debe debt dedd dede deeb deed deel deer deet deld dele dell delt der- derb dere derr dete deth detr dhed dhee dher dlbd dred dree dreh drel dret dted dthd dtle dtrl ebbr ebed ebel eber edde ede- edeh edel eder edle eede eeee eele eete eeth ehdd eheh ehel eher ehle ehre ehte el-b elbe elde eldr eled elee eleh eler elet elle elte erbb erbe erde ereb ered erel erer eret erld erle erll erre erth ertl etbr etee etel eter eth- ethe etre ette hbtl hdtt hebb hebe hebr hedd hede heeb heed heel heer heet hehe held hele hell helt herb herd here herl herr hert hete heth hett hhhh hlde hler hrbl hree hrtb hrte htet httr lblr lbrt lebd lede ledt leed leel leer leet lehe lehr lele lell lerd lere lert lete leth lett lhee lhhh lldb llet llll lrdd lrrr ltbl ltee lthr lttr rbbb rbbr rble rder rebb rebe redd rede redh redl redr reeb reed reel reet rehb rehe reht relb reld rele rell relt rerd rere rert retd rete reth retr rett rheb rhee rhet rldt rlee rred rrle rrrr rtdt rtee rtle rtlt tbrb tddb tedd tede teed teel teer teet tehr tel- teld tele tell telt ter- tere terr tete teth tetr tett thdr the- theb thed thee thel ther thet thre thtb thtr tldr tre- tred tree tret trte trtr ttbb tter tttt

-tree b-e-d bbbee bd-re be-er bebed bebel beber bedde bedee bedel beder bedet bedle beebe beede beeld beele beerd beete beeth beher behet behld behle belde beled belee belet bellb belle berbe berde bered bereh berel beret berhe berle berre berte berth betee betel beter bethe betle betre bett- bette bheel bheer bhele bhrrd bledd blede bleed bleer bleet blehr blere blete bredd brede bredt breed breel breer breet brell brerd brere breth brett brrrr btr-d btr-t bttld dbtel ddddd debed debel deber debet deble debte dedde dedee deder deede deele deere deeth deled delee delle derbe derde dered derre derth deter dethe detre dette dhedh drdre dredd drede dreed dreel drehe drelb drell drere e-dee ebbed ebber ebbet ebble ebell eberl ebert edder eddre edell edere edler edred eeeee eelde eeled eeler eerde ehret elded eldee elder eleet elele ellel eller ellet erbbe erber erdre erede erere erred erte ertel erter erthe etete ethel ether etree ettel etter ettle h-e-b he-he hebbe hebe- hebel heber heble hedde heded hedel heder heede heeld heele heerd heere heete hehte helde heldt heler helle helre helte helth herdt herel herle herre herte herth hertl heter hethe hette hheth hhhhh hhtdd hlddr hrere hthrt htree lebed lebel leber lebet ledee leder ledet leede leell leere leert lehel lehre lelle lered lerer letbe lethe letre lette rdllr rebbe rebel reber rebet redbd redde redel reder reede reere reerh reeth rehed reher rehet reled relee relet relte rerde rere- reree reret reted retee retel reter rethe rette rhede rhett tbtbt teber tebet teder teeld teele teell teerd teeth tehee telde tele- teler tell- telle teret terre tert- tetel teter tethe tetle tetr- tette thebe thede theeb theed theel theer thele ther- there therl thete theth thre- thred three thret tlell tlett tllbr treed treer treet trele trere trete trett trhde trhdr ttttt

b-reel b-tree bbbbbb bdell- bedded beddel bedder bedebt bedele bedell bedrel beebee beedee beedle beelde beeler beerde beeter beetle beheld behele behell behete behler behter belber belder beleth belett belled beller bellet belted beltel belter beltre berbee berber berede bereel bereet berere berhet berrer berret bertel berthe bertre betell betere betete bethel betted bettee bettel