-er bbb bbd bbe bbr bbs bbt bdb bdd bde bdr bds bdt bdv be- beb bed bee ber bes bet bev brb brd bre brr brs brt brv bsb bsd bse bsr bss bst bsv btb btd bte btr bts btt btv bvb bvd bve bvr bvs bvt bvv dbb dbd dbe dbr dbs dbt dbv ddb ddd dde ddr dds ddt de- deb ded dee der des det dev drb drd dre drr drs drt drv dsb dsd dse dsr dss dst dsv dtb dtd dte dtr dts dtt dtv dvb dvd dve dvr dvs dvt ebb ebd ebe ebr ebs ebt ebv ed- edb edd ede edr eds edt eeb eed eee eer ees eet eev erb erd ere err ers ert erv es- esb esd ese esr ess est esv etb etd ete etr ets ett etv evb evd eve evr evs evt evv rbb rbd rbe rbr rbs rbt rdb rdd rde rdr rds rdt rdv re- reb red ree rer res ret rev rrb rrd rrr rrs rrt rsb rsd rse rsr rss rst rsv rtb rtd rte rtr rts rtt rtv rvb rvd rve rvr rvs rvt rvv sbb sbd sbe sbr sbs sbt sbv sdb sdd sde sdr sds sdt sdv se- seb sed see ser ses set sev sr- srb srd sre srr srs srt srv ss- ssb ssd sse ssr sss sst ssv stb std ste str sts stt stv svb svd sve svr svs svt svv tbb tbd tbe tbr tbs tbt tbv tdb tdd tde tdr tds tdt tdv te- teb ted tee ter tes tet tev trb trd tre trr trs trt trv tsb tsd tse tsr tss tst tsv ttb ttd tte ttr tts ttt ttv tvb tvd tve tvr tvs tvt v-e vbd vbr vbs vbv vdb vdd vde vdr vds vdt vdv veb ved vee ver ves vet vrb vrd vre vrr vrs vrt vsb vsd vse vsr vss vst vsv vtb vte vtr vts vtt vtv vvb vvr vvs vvt vvv

bbbb bbbs bbdd bbeb bbet bd-r bdes bdsd bebb bebe bede beds beeb beed beer bees beet berd bere berr bers bert bes- bese bess best bete bets bett betv bevs brds brdt breb bred bree brer bres bret brev brrr brrs brsb brsr brst bsbd bseb bsed bsee bser bses bset bsrd bssd bsse bsts bstv btdt btrt btss bttb bvds d-tv dbrs dbss dbtt dddd ddes ddre ddss ddts ddtv debe debs debt dedd dede deeb deed deer dees deet deev der- derb dere derr ders derv des- dese dess dest dete detr dets deve devs dred dree dres dret drev drrs dsdr dsrr dsst dsts dstv dsvd dted dtss dvbs dvdr dvds dvrs dvsr ebbr ebbs ebed eber ebes edde edds ede- eder edes edss edts edtv edve eede eeee eees eers eese eete eets erbb erbe erde erds ereb ered erer eres eret erev erre errs erse erst erts erve esbs esds esee eser eses eset esrd esse esst estd este estr ests estv etbr etds etee eter etes etre ette evdb ever eves evet evre evrs evst rbbb rbbr rbbs rbds rbsd rbss rbst rder rdev rdvs rebb rebe rebs redd rede redr reds reeb reed rees reet reev rerd rere rers rert rese ress rest retd rete retr rets rett revd reve revs rred rrrr rsdd rsds rsee rsre rsts rtdt rtee rtes rtss rtts rtve rved rver s-vt sbbs sbds sber sbsd sbse sbst sdds sder sdes sdet sdrs sdss se-d se-e se-s se-t sebe sebs sebt sede seds seeb seed seer sees seet serb serd sere serr sers sert serv sese sess sest set- sete sets sett seve srde sreb sres srsd srtr srtv ssbr ssdd ssee sses sset ssrs sssb ssss sstb sstd ssts st-v stbd stbs stds sted stee ster stes stet stev strd stre strs stss sttd sttr stvs svet svtr tbbs tbrb tbst tddb tdes tdse tdss tdtv tedd tede teds teed teer tees teet teev ter- tere terr ters tesd tese tess test tete tetr tets tett tre- tred tree tres tret trev trsd trst trte trtr trvs tsbd tsdb tses tset tsse tssr tsst tsts ttbb tter ttss tttt tvbs tver tves tvrr tvss tvtv vder vdre vede veer vees veet ver- verb verd vere vers vert vesd vese vess vest vete vetr vets veve vred vret vrse vsed vsee vses vsse vtes vtrs vver vvsb vvvv

-tree b-e-d bbbee bbser bd-re bdser be-er bebed beber bebes bedde bedee beder bedes bedet bedse beebe beebs beede beerd beers beesd beest beete beets beeve berbe berde bered beres beret berre berse berte berts besed besee beset besse beste bests betee beter betes betre betrs bett- bette betts bever beves bredd brede bredt breed breer brees breet brerd brere brers brese bress brest brets brett breve brrrr bseed bt-sv btr-d btr-t d-rev dbtss ddddd debed deber debes debet debte debts dedde dedee deder dedes deede deeds deere deers deese deess deest deets deeve deevs derbe derde dered deres derre derve desde desed desse deste deter detre dette dever devet drdre dredd drede dreds dreed drees drere drese dress drest dreve dsedd dtest dvb-s dvb-t dvbbs dvd-d dvd-r e-dee e-sds e-vsb ebbed ebber ebbet ebers ebert edder eddre edere eders edred eedes eeeee eerde eevee eever eeves erbbe erber erdre erebs erede erere erest erets ereve erred erres erses erste ersts erte erter ertes esdes esere essed esser esses essse estbd ested estee ester estes estet estre etest etete etree etres etter ettes evdev evere everr evers evert evese evest evete evets evett eveve evres rebbe reber rebet rebts redbd redde redds reder redes reede reeds reere reese reest reeve rerde rerds rere- reree reres reret resed resee reses reset resse reste restr rests reted retee reter retes rette retts rever reves revet revvs rtrev rvers sders se-bd sebbe sebes sebet seddb seder sedes seebe seede seeds seeed seere seers seese seest seete seetv seeve serbs serde sered serer seres seret