-er bbb bbd bbe bbg bbi bbr bbt bdb bdd bde bdg bdi bdr bdt be- beb bed bee beg bei ber bet bgb bgd bge bgg bgi bgr bgt bi- bib bid bie big bii bir bit brb brd bre brg bri brr brt btb btd bte btg bti btr btt dbb dbd dbe dbg dbi dbr dbt ddb ddd dde ddg ddi ddr ddt de- deb ded dee deg dei der det dgd dge dgg dgi dgr dgt di- dib did die dig dii dir dit drb drd dre drg dri drr drt dtb dtd dte dtg dti dtr dtt ebb ebd ebe ebg ebi ebr ebt ed- edb edd ede edg edi edr edt eeb eed eee eeg eer eet egb egd ege egg egi egr egt eib eid eie eig eii eir eit erb erd ere erg eri err ert etb etd ete etg eti etr ett g-d gbd gbe gbg gbi gbr gbt gdb gdd gde gdi gdr gdt ge- geb ged gee geg gei ger get ggb ggd ggg ggi ggr ggt gib gid gie gig gii gir git grb grd gre grg gri grr grt gtb gtd gte gtg gti gtr gtt i-d ibb ibd ibe ibg ibi ibr ibt idb idd ide idg idi idr idt ie- ied iee ieg iei ier iet igb igd ige igg igi igr igt iib iid iie iii iir iit ir- irb ird ire irg iri irr irt itb itd ite itg iti itt rbb rbd rbe rbg rbi rbr rbt rdb rdd rde rdg rdi rdr rdt re- reb red ree reg rei rer ret rgb rgd rge rgg rgi rgr rgt rib rid rie rig rii rir rit rrb rrd rrg rri rrr rrt rtb rtd rte rtg rti rtr rtt tbb tbd tbe tbg tbi tbr tbt tdb tdd tde tdg tdi tdr tdt te- teb ted tee teg tei ter tet tgb tge tgg tgi tgr tgt tib tid tie tig tii tir tit trb trd tre trg tri trr trt ttb ttd tte ttg tti ttr ttt

bbbb bbdd bbeb bbet bbrg bd-r bdii bebb bebe bebi bede bedi beeb beed beeg beer beet begg begi beir beit berd bere berg beri berr bert bete beti bett bibb bibe bibi bide bidi bidr bieb bied bier biet bigb bigd bige bigg bigt birb bird bire birg biri birr birt bitd bite bitt brdt breb bred bree breg brei brer bret brid brie brig brit brrr btdt btie btrt bttb dbit dbtt dddd ddie ddre debe debi debt dedd dede dedi deeb deed deeg deer deet dege degi deid deie deir deit der- derb dere derg deri derr dete detr dgeg dgge dibb dibe dide didi dieb died dier diet dige digg digi diii dird dire dirr dirt dite diti ditt dred dree dreg drei dret drge drib drie drit dted ebbr ebed eber ebid ebit edde eddi ede- edei eder edge edie edit eede eeee eerg eete egbe egee eger eggb egge eggi egir egre egri egte eid- eide eidi eidr eied eiei eier eige eigg eird eire eitb eiti eitr erbb erbe erde erdi ereb ered erei erer eret erg- ergg ergi erie erit erre etbr etee eter etre ette etti gbde gddb gdrt gebe gebi gedd gede gedi geed geer geet gege gegg geie geig geir geit gerb gerd gere geri gert getb gete getg geti gett ggbt gggg gibb gibe gidd gide gidi gied gier giet gige gigg gigi gird gire girg giri girr girt gite grbr greb gree greg gret grib grid grie grig grit grrr gtbr i-be ibed ibeg ibet ibge ibid ibie ibrd ibri ibtb idbe ided idee ider idid idie idig idir idre iedr ieet ieie iere ieri iett iger iget igri iide iied iiie iiii iiit iitr iitt irbe ired iree irer iri- irid irie irig irre irri irte irti itbe iter itet itie itri rbbb rbbr rder rebb rebe redd rede redi redr reeb reed reet regd rege regi regr regt reid reii reir reit rerd rere rerg reri rert retd rete reti retr rett rgbe rgbi rgit rgtr rib- ribe ridd ride ridi ried rier riet rige rigg rigi rire riri rite riti ritt rred rrrr rtdt rtee rtei tbit tbrb tddb tdri tedd tede tedi teed teer teet tegg tegi tegt teie teir ter- tere teri terr tete teti tetr tett tibi tidd tide tie- tied tiee tiei tier tiet tige tigi tigr tiit tirb tird tire tiri tirr tite titi titt tre- tred tree treg trei tret trge tri- trib trie trig trit trte trtr ttbb tter tttt

-tree b-e-d bbbee bd-re be-er bebed beber bebti bedde bedee beder bedet bedid bedri beebe beede beedi beerd beeri beete begee beget begge begti beibi beide beidi beier beige beird beire beite berbe berde bered bereg berei beret berge bergi berid berie berig berit berre berri berte berti betee beter betid betie betre bett- bette betti bibbe biber bibie bibri bidde bided bider bidet bidri biebe bierd biere bieri biert bieti big-i bigge bigig biide birde birgi birie bited biter bitit bitte bitti bredd brede bredi bredt breed breer breet breg- brege bregg breid breit brerd brere brett bribe bride bridg bridi brieg brier brige brigg brigi brite britt brrrr btr-d btr-t ddddd debbi debed deber debet debie debir debit debte dedde dedee deder dedie dedir dedit deede deedi deere degei degre deidt deite derbe derbi derde dered dereg derge derib derre deter detie detre dette dibeg dibri didee didge didie didit diebe diege dieri diete diger digi- digid digit digre digri digte dired direr dirge dirie diter ditib dittd ditti drdre dredd drede dredg dreed dreid dreie drere dride dried drier drige drigg drite e-dee ebbed ebber ebbet ebbie ebeid eberg ebert ebibe ebird edder eddie eddir eddit eddre edere edged edger edgie edidi edred eeeee eerde eerie eetti egede egged egger eggie eggig egret eider eidet eiger eirie eiter eitri erbbe erber erdre erede erege erere erier erite erred