-er bbb bbd bbe bbg bbo bbr bbt bdb bdd bde bdg bdo bdr bdt be- beb bed bee beg beo ber bet bgb bgd bge bgg bgo bgr bgt bob bod boe bog boo bor bot brb brd bre brg bro brr brt btb btd bte btg bto btr btt dbb dbd dbe dbg dbo dbr dbt ddb ddd dde ddg ddo ddr ddt de- deb ded dee deg deo der det dgd dge dgg dgr dgt dob dod doe dog doo dor dot drb drd dre drg dro drr drt dtb dtd dte dtg dto dtr dtt ebb ebd ebe ebg ebo ebr ebt ed- edb edd ede edg edo edr edt eeb eed eee eeg eeo eer eet egb egd ege egg ego egr egt eo- eob eod eoe eog eoo eor eot erb erd ere erg ero err ert etb etd ete etg eto etr ett g-d gbd gbe gbg gbo gbr gbt gdb gdd gde gdo gdr gdt ge- geb ged gee geg geo ger get ggb ggd ggg ggo ggr ggt gob god goe gog goo gor got grb grd gre grg gro grr grt gtb gtd gte gtg gto gtr gtt ob- obb obd obe obg obo obr obt odb odd ode odg odo odr odt oeb oed oee oeg oeo oer oet ogd oge ogg ogo ogt oo- oob ood oog ooo oor oot or- orb ord ore org oro orr ort ot- otb otd ote otg oto otr ott rbb rbd rbe rbg rbo rbr rbt rdb rdd rde rdg rdo rdr rdt re- reb red ree reg reo rer ret rgb rgd rge rgg rgo rgr rgt rob rod roe rog roo ror rot rrb rrd rrg rrr rrt rtb rtd rte rtg rto rtr rtt tbb tbd tbe tbg tbo tbr tbt tdb tdd tde tdg tdo tdr tdt te- teb ted tee teg teo ter tet tgb tge tgg tgo tgr tgt to- tob tod toe tog too tor tot trb trd tre trg tro trr trt ttb ttd tte ttg tto ttr ttt

bbbb bbdd bbdo bbeb bbet bbrg bd-r bdog bebb bebe bebo bede bedo beeb beed beeg beer beet begg bego beo- beod beor beot berd bere berg bero berr bert bete beto bett bobb bobe bobo bodb bode bodo boee boeo boer boet bogd boge bogg bogo bogt boob bood booe boog boor boot bor- bord bore borg boro borr bort botb botd bote boto bott brdo brdt breb bred bree breg breo brer bret brob brod broe brog broo bror brot brrr btdt btob btor btrt bttb d-bo dbtt dddd ddot ddre debe debt dedd dede dedo deeb deed deeg deer deet dege dego deor der- derb dere derg dero derr dete deto detr dgeg dgge dobb dobe dod- dodd dode dodg dodo doeg doer dog- doge dogg dogo doob dood door doot dord dore doro dorr dort dotd dote doto dott dred dree dreg dret drge drob drod drog drot dted dtor dtot ebbo ebbr ebed eber eboe eboo ebor ebro edde eddo ede- eder edge edod eede eeee eerg eero eete egbe egee eger eggb egge eggo ego- egor egot egre egte eode eore eotd eoto erbb erbe erde ereb ered erer eret erg- ergg ergo erob erod eroe eroo erre erro etbr etee eter etoe etre etro ette etto gbbo gbde gddb gdor gdrt gebe gedd gede gedo geed geer geet gege gegg gego geo- geog gerb gerd gere gero gert getb gete getg geto gett ggbt gggg gobe gobo gode godo goed goer gogo good goog goor goot gorb gord gore gorg goro gorr gort gotd gote goto gott grbr greb gree greg gret grob grod grog groo gror grot grrr gtbr gtoe o-eo obbo obdt obed ober obet oboe obor obot obre obro obtd odbo oddd oded odeo oder odet odoo odor odot oedo oegb oere ogb ogbe ogee oger ogge ogod ogog ogre ogro oobe ooer oooo oord oore oort ootb orbb orbe orbo orde ordo ore- oreb ored oreg oreo orer orge orgo oro- oroe oror orot orro orte orto otbd oted otee oter oto- otoe otog otoo otor otre otro otte otto rbbb rbbr rder rebb rebe rebo redd rede redo redr reeb reed reet regd rege rego regr regt reod reog reot rerd rere rerg rero rert retd rete reto retr rett rgbe rgtr rob- robb robe robo robt rodd rode rodo roed roeg roer roet roge rogg rogo roob rood roog roor root rore roro rort rote rotg roto rotr rott rred rrrr rtdt rtee tbrb tddb tdor tebo tedd tede teed teer teet tegg tego tegt teor ter- tere tero terr tete teto tetr tett tobe tobo tobt todd tode todo todt toed toee toer toet toge togo togr togt tood toor toot tord tore torg toro torr tort totd tote toto totr tott tre- tred tree treg treo tret trge trod troe trog troo trot trte trtr ttbb tteo tter ttoe tttt

-tree b-e-d bbbee bd-re bdoor bdort be-er be-ro bebdo bebed beber bebod bebog bebot bedde bedee beder bedet bedog bedot beebe beede beerd beete begee beget begge begob begod begor begot begto beode beord beote berbe berde bered bereg beret berge berob beroe beror berre berte berto betee beter betoo betor betre bett- bette betto bo-bo bobet bobr bobre bodd- boded boder bodge bodoe bodog bodor boedo boege boero boger boget bogge bogoe bogor bogot boode booed booer boord boore boort borbo borde bordo bored boree borer boret borge borgo boro- borod boroo borot borre borro botet botro botte bredd brede bredt breed breer breet breg- brege bregg breo- brerd brere breto brett brobo brodd brode brodo broer brood broto brrrr btr-d btr-t d-dot d-rod ddddd ddebo debed deber debet debot debro debte dedde dedee deder deede deere degre deore deoro derbe derde dered dereg derge dero- derob derog derre derro deter detoo detre dette do-do dobee dober dobre dobro dodge dodoo dodro doerr dogbo dogge doggo doodo doore