-er bbb bbd bbe bbg bbr bbs bbt bdb bdd bde bdg bdr bds bdt be- beb bed bee beg ber bes bet bgb bgd bge bgg bgr bgs bgt brb brd bre brg brr brs brt bsb bsd bse bsg bsr bss bst btb btd bte btg btr bts btt dbb dbd dbe dbg dbr dbs dbt ddb ddd dde ddg ddr dds ddt de- deb ded dee deg der des det dgd dge dgg dgr dgs dgt drb drd dre drg drr drs drt dsb dsd dse dsg dsr dss dst dtb dtd dte dtg dtr dts dtt ebb ebd ebe ebg ebr ebs ebt ed- edb edd ede edg edr eds edt eeb eed eee eeg eer ees eet egb egd ege egg egr egs egt erb erd ere erg err ers ert es- esb esd ese esg esr ess est etb etd ete etg etr ets ett g-d gbd gbe gbg gbr gbs gbt gdb gdd gde gdr gds gdt ge- geb ged gee geg ger ges get ggb ggd ggg ggr ggs ggt grb grd gre grg grr grs grt gsb gsd gse gsg gsr gss gst gtb gtd gte gtg gtr gts gtt rbb rbd rbe rbg rbr rbs rbt rdb rdd rde rdg rdr rds rdt re- reb red ree reg rer res ret rgb rgd rge rgg rgr rgs rgt rrb rrd rrg rrr rrs rrt rsb rsd rse rsg rsr rss rst rtb rtd rte rtg rtr rts rtt sbb sbd sbe sbg sbr sbs sbt sdb sdd sde sdg sdr sds sdt se- seb sed see seg ser ses set sgb sgd sge sgg sgr sgs sgt sr- srb srd sre srg srr srs srt ss- ssb ssd sse ssg ssr sss sst stb std ste stg str sts stt tbb tbd tbe tbg tbr tbs tbt tdb tdd tde tdg tdr tds tdt te- teb ted tee teg ter tes tet tgb tge tgg tgr tgs tgt trb trd tre trg trr trs trt tsb tsd tse tsg tsr tss tst ttb ttd tte ttg ttr tts ttt

bbbb bbbs bbdd bbeb bbet bbrg bd-r bdes bdsd bebb bebe bede beds beeb beed beeg beer bees beet begg begs berd bere berg berr bers bert bes- bese bess best bete bets bett bggs bgst brds brdt breb bred bree breg brer bres bret brrr brrs brsb brsr brst bsbd bseb bsed bsee bseg bser bses bset bsgs bsrd bssd bsse bsts btdt btrt btss bttb dbrs dbss dbtt dddd ddes ddre ddss ddts debe debs debt dedd dede deeb deed deeg deer dees deet dege degs der- derb dere derg derr ders des- dese desg dess dest dete detr dets dgeg dgge dgsb dred dree dreg dres dret drge drgs drrs dsdr dsrr dsst dsts dted dtss ebbr ebbs ebed eber ebes edde edds ede- eder edes edge edss edts eede eeee eees eegs eerg eers eese eete eets egbe egee eger eggb egge eggs egre egss egte egts erbb erbe erde erds ereb ered erer eres eret erg- ergg ergs erre errs erse erst erts esbs esds esee eser eses eset esrd esse essg esst estd este estr ests etbr etds etee eter etes etre ette gbbs gbde gddb gdes gdrt gebe gedd gede geds geed geer gees geet gege gegg gerb gerd gere gers gert gesg gess gest getb gete getg gets gett ggbt gggg ggss grbr grds greb gree greg gres gret grrr grrs grss gsds gsse gstr gtbr rbbb rbbr rbbs rbds rbsd rbss rbst rder rdgs rebb rebe rebs redd rede redr reds reeb reed rees reet regd rege regr regs regt rerd rere rerg rers rert rese ress rest retd rete retr rets rett rgbe rgds rgtr rgts rred rrrr rsdd rsdg rsds rsee rsgb rsre rsts rtdt rtee rtes rtgs rtss rtts sbbs sbds sber sbsd sbse sbst sdds sder sdes sdet sdge sdgs sdrs sdss se-d se-e se-g se-s se-t sebe sebs sebt sede seds seeb seed seeg seer sees seet sege segg segs serb serd sere serg serr sers sert sese sess sest set- sete sets sett sger sges sggg sggs sgsd sgss sgts srde sreb sres srgb srsd srtr ssbr ssdd ssee sses sset ssgs ssgt ssrg ssrs sssb ssss sstb sstd ssts stbd stbs stds sted stee steg ster stes stet stge stgr strd stre strs stss sttd sttr tbbs tbgs tbrb tbst tddb tdes tdse tdss tedd tede teds teed teer tees teet tegg tegs tegt ter- tere terr ters tesd tese tess test tete tetr tets tett tgts tre- tred tree treg tres tret trge trsd trst trte trtr tsbd tsdb tses tset tsgt tsse tssg tssr tsst tsts ttbb tter ttss tttt

-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 begee beget begge beggs berbe berde bered bereg beres beret berge bergs berre berse berte berts besed besee beset besse beste bests betee beter betes betre betrs bett- bette betts bredd brede bredt breed breer brees breet breg- brege bregg brerd brere brers brese bress brest brets brett brrrr bseed btr-d btr-t dbtss ddddd debed deber debes debet debte debts dedde dedee deder dedes deede deeds deere deers deese deess deest deets deges degre derbe derde dered dereg deres derge derre desde desed desse deste deter detre dette drdre dredd drede dredg dreds dreed drees dregs drere drese dress drest dsedd dtest e-dee e-sds ebbed ebber ebbet eberg ebers ebert edder eddre edere eders edged edger edges edred eedes eeeee eerde egede egers egest egged egger egres egret erbbe erber erdre erebs erede erege erere erest erets 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 gberg geber gebet gebre gedds gedeb geder gedge gedre geere geers geert geese geest geete gegge gerbe gerbs gerd- gerde gerdt geres gerre gers-