-er bbb bbd bbe bbr bbt bdb bdd bde bdr bdt bdv be- beb bed bee ber bet bev brb brd bre brr brt brv btb btd bte btr btt btv bvb bvd bve bvr bvt bvv dbb dbd dbe dbr dbt dbv ddb ddd dde ddr ddt de- deb ded dee der det dev drb drd dre drr drt drv dtb dtd dte dtr dtt dtv dvb dvd dve dvr dvt ebb ebd ebe ebr ebt ebv ed- edb edd ede edr edt eeb eed eee eer eet eev erb erd ere err ert erv etb etd ete etr ett etv evb evd eve evr evt evv rbb rbd rbe rbr rbt rdb rdd rde rdr rdt rdv re- reb red ree rer ret rev rrb rrd rrr rrt rtb rtd rte rtr rtt rtv rvb rvd rve rvr rvt rvv tbb tbd tbe tbr tbt tbv tdb tdd tde tdr tdt tdv te- teb ted tee ter tet tev trb trd tre trr trt trv ttb ttd tte ttr ttt ttv tvb tvd tve tvr tvt v-e vbd vbr vbv vdb vdd vde vdr vdt vdv veb ved vee ver vet vrb vrd vre vrr vrt vtb vte vtr vtt vtv vvb vvr vvt vvv

bbbb bbdd bbeb bbet bd-r bebb bebe bede beeb beed beer beet berd bere berr bert bete bett betv brdt breb bred bree brer bret brev brrr btdt btrt bttb d-tv dbtt dddd ddre ddtv debe debt dedd dede deeb deed deer deet deev der- derb dere derr derv dete detr deve dred dree dret drev dted dvdr ebbr ebed eber edde ede- eder edtv edve eede eeee eete erbb erbe erde ereb ered erer eret erev erre erve etbr etee eter etre ette evdb ever evet evre rbbb rbbr rder rdev rebb rebe redd rede redr reeb reed reet reev rerd rere rert retd rete retr rett revd reve rred rrrr rtdt rtee rtve rved rver tbrb tddb tdtv tedd tede teed teer teet teev ter- tere terr tete tetr tett tre- tred tree tret trev trte trtr ttbb tter tttt tver tvrr tvtv vder vdre vede veer veet ver- verb verd vere vert vete vetr veve vred vret vver vvvv

-tree b-e-d bbbee bd-re be-er bebed beber bedde bedee beder bedet beebe beede beerd beete beeve berbe berde bered beret berre berte betee beter betre bett- bette bever bredd brede bredt breed breer breet brerd brere brett breve brrrr btr-d btr-t d-rev ddddd debed deber debet debte dedde dedee deder deede deere deeve derbe derde dered derre derve deter detre dette dever devet drdre dredd drede dreed drere dreve dvb-t dvd-d dvd-r e-dee ebbed ebber ebbet ebert edder eddre edere edred eeeee eerde eevee eever erbbe erber erdre erede erere ereve erred erte erter etete etree etter evdev evere everr evert evete evett eveve rebbe reber rebet redbd redde reder reede reere reeve rerde rere- reree reret reted retee reter rette rever revet rtrev tbtbt teber tebet teder teerd teret terre tert- terve teter tetr- tette tevet treed treer treet trere trete trett treve ttttt veber vebre vedde veder veede veere veeve verd- verde vereb vered verre verte verve vette vever vrede

b-tree bbbbbb bedded bedder bedebt beebee beedee beerde beeter beever berbee berber berede bereet berere berrer berret bertre betere betete betted bettee better bredde breded breder breede breere brette brever brevet dbette de-err debdeb debere debert debete debret debted debtee deeded deedee deeder deever derere derrer deterr detete detter devede deveer devere dreder drever dvd-vr ebbert eebree erbree errett everte r-tree rebred redbed redded redder redere redred redted reeded reeder reeved reever reteed reteer reteet retere retree retret retted retter reverb revere revert revved revver t-tree tedded tedder teebee teeder teetee teeter teevee terete terrer terret terter tertre tetede tetete tetter tevere treder treete tretee trette trevet vebret vedder veeder veered veerer verbed verder verdet verree verrer verret verted vertre verver vervet vetere vetted vetter vvvvvv

bbbbbbb beddred bedered beetred beetree berbere bereted berrett bertree bevered breeded breeder brerded debrete debrett deedeed derrett deterre drebber eddered errevet everett everted rebreed redbeet reddeer reddere reedbed reteere reterre retrete rettert revered reveree reverer revette terere tereted terreer terrere tettete treetee trettre treveer vedette verbere verderb verdete verrett verveer

bbbbbbbb bebetter bederede beedered berebere betbeder bettered betterer bredtvet breveted breveter deterred deterrer etbetter everette red-deer redberet reddeber reed-bed reedreed reverbed reverber reverted revertee reverter revetted teddered teetered tettered verderer verdeter verteber vertebr- vertebre

beebeebee beeveedee ddddddddd deeveedee tebe-tebe

betterbeer betterbred debbeebbed terreverte

terre-verte

bbbbbbbbbbbbbbb redderdeererred