-er b-u bbb bbd bbe bbl bbr bbt bbu bdb bdd bde bdl bdr bdt bdu be- beb bed bee bel ber bet beu blb bld ble bll blr blt blu brb brd bre brl brr brt bru btb btd bte btl btr btt btu bub bud bue bul bur but buu dbb dbd dbe dbl dbr dbt dbu ddb ddd dde ddl ddr ddt ddu de- deb ded dee del der det deu dl- dlb dld dle dll dlr dlt dlu drb drd dre drl drr drt dru dtb dtd dte dtl dtr dtt dtu dub dud due dul dur dut ebb ebd ebe ebl ebr ebt ebu ed- edb edd ede edl edr edt edu eeb eed eee eel eer eet elb eld ele ell elr elt elu erb erd ere erl err ert eru etb etd ete etl etr ett etu eu- eub eud eue eul eur eut lbb lbd lbe lbl lbr lbt lbu ldb ldd lde ldl ldr ldt ldu leb led lee lel ler let leu llb lld lle lll llr llt llu lrb lrd lrr lrt lru ltb ltd lte ltl ltr ltt ltu lub lud lue lul lur lut luu rbb rbd rbe rbl rbr rbt rbu rdb rdd rde rdl rdr rdt rdu re- reb red ree rel rer ret reu rld rle rll rlr rlt rlu rrb rrd rrl rrr rrt rru rtb rtd rte rtl rtr rtt rtu rub rud rue rur rut ruu tbb tbd tbe tbl tbr tbt tbu tdb tdd tde tdl tdr tdt tdu te- teb ted tee tel ter tet teu tld tle tll tlr tlt tlu trb trd tre trl trr trt tru ttb ttd tte ttl ttr ttt ttu tub tud tue tul tur tut tuu ubb ube ubl ubr ubt ubu udb udd ude udl udr udt udu ueb ued uee uel uer uet ulb uld ule ull ulr ult ulu ur- urb urd ure url urr urt uru utb utd ute utl utr utt utu uue uur uut uuu

bbbb bbdd bbeb bbet bblb bd-r bdle bebb bebe bede bedl bedu beeb beed beel beer beet beld bele bell belt belu berd bere berr bert beru bete bett betu beur blbt bldr bleb bled blee blet bleu blub blud blue blur blut brdt breb bred bree brel brer bret brrr brud brue brut btdt btrt bttb bubb bube bubu budb budd bude budl budu buel buer bueu bulb buld bule bull bult bulu bur- burb burd bure burl burr burt buru but- bute butt dbtt dddd ddre ddub debe debt debu dedd dede dedu deeb deed deel deer deet deld dele dell delt der- derb dere derr dete detr deue deul deur deut dlbd dred dree drel dret drub drue drut druu dted dtle dtrl dub- dubb dube dubu dudd dude dudu duel duer duet dule dull dult dulu dure durt duru dute duul duur duut ebbr ebed ebel eber ebru ebul ebur edde ede- edel eder edle edru edur eede eedu eeee eele eete eetu el-b elbe elbu elde eldr eled elee eler elet elle ellu elte elue elul erbb erbe erde ereb ered erel erer eret erld erle erll erre ertl ertu erub erur etbr etee etel eter etre ette ettu eude euer eule eur- eure eurt lblr lbrt le-u lebd lebu lede ledt leed leel leer leet lele lell lelu lerd lere lert lete lett leud leur lldb llet lleu llll llud lrdd lrrr ltbl ltee lttr lube ludd lude lued luer lule lull lulu lurd lure lurt lute rbbb rbbr rble rder rebb rebe rebu redd rede redl redr redu reeb reed reel reet relb reld rele rell relt rerd rere rert reru retd rete retr rett reue reul reut reuu rldt rlee rleu rred rrle rrrr rtdt rtee rtle rtlt rubb rube rubu rudd rude rudl rued ruel ruer ruet rule rull rurd rure ruru rute rutl rutt rutu ruud tbrb tddb tebu tedd tede teed teel teer teet tel- teld tele tell telt telu ter- tere terr teru tete tetr tett tetu teut tldr tre- tred tree tret treu trte trtr trub trud true trut truu ttbb tter tttt ttul tubb tube tubr tubu tude tudu tuel tuer tuet tule tull tulu turb turd ture turr turt turu tute tutl tutt tutu ubbe uber ubet uble ubud udel uder udet uele uell ulde uleb ulee ulle ullr ultt ulul urbe urde urdu ure- ured uret urle urre urte urur urut utel uter uttu uulu uuuu

-tree b-e-d bbbee bd-re be-er bebed bebel beber bedde bedee bedel beder bedet bedle bedub bedue beebe beede beeld beele beerd beete beeut belde beled belee belet bellb belle belue belur belut berbe berde berdu bered berel beret berle berre berru berte betee betel beter betle betre bett- bette betul beuer beule beure beute bledd blede bleed bleer bleet blere blete bleue blude blued bluer bluet blurb blure blurr blurt brebu bredd brede bredt breed breel breer breet brell brerd brere brett breu- brrrr brud- brude brued bruer bruet brule brull brute btr-d btr-t bttld bubbe buber buble budde buddu budel budur buell bulb- bulde bull- bulle bulul bulut burde burel buret burle burru burte burtt burud burut buter butle butte butut dbtel ddddd debed debel deber debet deble debte debut dedde dedee deder dedlu dedur dedut deede deele deere deled delee deleu delle delut derbe derde dered derre derub derue deter detre dette detur deuel deule deure deut- drdre dredd drede dreed dreel drelb drell drere dreul drude dub-l dubee duble dubul duded duder dudle duele duell duere duerr duete duett duler dulle dullu dulte durbe dured duree durer duret durre durte durtu dutte e-dee ebbed ebber ebbet ebble ebell eberl ebert eblul ebull ebure edder eddre edell edere edler edlut edred edule eeeee eelde eeled eeler eerde elded eldee elder eleet elele eleut ellel eller ellet ellul elude elulu eluru elute erbbe erber erdre erdut erede erere erred errtu erte ertel erter etete etree ettel etter ettle