-er b-u bbb bbd bbe bbl bbr bbu bdb bdd bde bdl bdr bdu be- beb bed bee bel ber beu blb bld ble bll blr blu brb brd bre brl brr bru bub bud bue bul bur buu dbb dbd dbe dbl dbr dbu ddb ddd dde ddl ddr ddu de- deb ded dee del der deu dl- dlb dld dle dll dlr dlu drb drd dre drl drr dru dub dud due dul dur ebb ebd ebe ebl ebr ebu ed- edb edd ede edl edr edu eeb eed eee eel eer elb eld ele ell elr elu erb erd ere erl err eru eu- eub eud eue eul eur lbb lbd lbe lbl lbr lbu ldb ldd lde ldl ldr ldu leb led lee lel ler leu llb lld lle lll llr llu lrb lrd lrr lru lub lud lue lul lur luu rbb rbd rbe rbl rbr rbu rdb rdd rde rdl rdr rdu re- reb red ree rel rer reu rld rle rll rlr rlu rrb rrd rrl rrr rru rub rud rue rur ruu ubb ube ubl ubr ubu udb udd ude udl udr udu ueb ued uee uel uer ulb uld ule ull ulr ulu ur- urb urd ure url urr uru uue uur uuu

bbbb bbdd bbeb bblb bd-r bdle bebb bebe bede bedl bedu beeb beed beel beer beld bele bell belu berd bere berr beru beur bldr bleb bled blee bleu blub blud blue blur breb bred bree brel brer brrr brud brue bubb bube bubu budb budd bude budl budu buel buer bueu bulb buld bule bull bulu bur- burb burd bure burl burr buru dddd ddre ddub debe debu dedd dede dedu deeb deed deel deer deld dele dell der- derb dere derr deue deul deur dlbd dred dree drel drub drue druu dub- dubb dube dubu dudd dude dudu duel duer dule dull dulu dure duru duul duur ebbr ebed ebel eber ebru ebul ebur edde ede- edel eder edle edru edur eede eedu eeee eele el-b elbe elbu elde eldr eled elee eler elle ellu elue elul erbb erbe erde ereb ered erel erer erld erle erll erre erub erur eude euer eule eur- eure lblr le-u lebd lebu lede leed leel leer lele lell lelu lerd lere leud leur lldb lleu llll llud lrdd lrrr lube ludd lude lued luer lule lull lulu lurd lure rbbb rbbr rble rder rebb rebe rebu redd rede redl redr redu reeb reed reel relb reld rele rell rerd rere reru reue reul reuu rlee rleu rred rrle rrrr rubb rube rubu rudd rude rudl rued ruel ruer rule rull rurd rure ruru ruud ubbe uber uble ubud udel uder uele uell ulde uleb ulee ulle ullr ulul urbe urde urdu ure- ured urle urre urur uulu uuuu

b-e-d bbbee bd-re be-er bebed bebel beber bedde bedee bedel beder bedle bedub bedue beebe beede beeld beele beerd belde beled belee bellb belle belue belur berbe berde berdu bered berel berle berre berru beuer beule beure bledd blede bleed bleer blere bleue blude blued bluer blurb blure blurr brebu bredd brede breed breel breer brell brerd brere breu- brrrr brud- brude brued bruer brule brull bubbe buber buble budde buddu budel budur buell bulb- bulde bull- bulle bulul burde burel burle burru burud ddddd debed debel deber deble dedde dedee deder dedlu dedur deede deele deere deled delee deleu delle derbe derde dered derre derub derue deuel deule deure drdre dredd drede dreed dreel drelb drell drere dreul drude dub-l dubee duble dubul duded duder dudle duele duell duere duerr duler dulle dullu durbe dured duree durer durre e-dee ebbed ebber ebble ebell eberl eblul ebull ebure edder eddre edell edere edler edred edule eeeee eelde eeled eeler eerde elded eldee elder elele ellel eller ellul elude elulu eluru erbbe erber erdre erede erere erred euell euler eurel eurre lebed lebel leber ledee leder ledru ledur leede leell leere leleu lelle lered lerer leude lubbe lubed luber luble lubur ludde luddu luder lulle lulul lurde lured lurer lurue rdllr rebbe rebel reber rebud redbd redde redel reder redub redur reede reere reled relee relue rerde rere- reree reuel reuer reule rubee rubel ruber ruble rudel ruder rudle ruede ruele ruell ruere ruled ruler rurde ruule u-dub ubble uber- uddel udder udell udler ullur ululu uluru urdee urelu urled urubu uuuuu

b-reel bbbbbb bdell- beblur bedded beddel bedder bedele bedell bedrel bedull bedulu beduru beebee beedee beedle beelde beeler beerde belber belder belled beller belleu bellue belull berbee berber berede bereel berere berrer berube beurre bledde bledel bleere blublu blurre brebel bredde breded breder breede breere breuer brubru bruder bruel brulee brurde bruree bubber bubble bubele bububu budded budder buddle bueler bulbed bulbel bulbul buldur bull-e bulled bullee buller burble burbur burder burdur burell burled burler burred burree burrel burrer de-err debdeb debell debere deblur deburr deeded deedee deeder deedle delele deller delude derere derrer derure deubre deurle dreder druber druble dubbed dubbel dubber dubdub dubler dudder duddle dueled dueler duelle duerer dulber dulder duldul dulebe dulled duller dululu durell eberle eburru eddled ederle eebree eeuler eldred eleele eluded eluder elured erbree eubule eudule euller leburd ledder leeder leelee leered leerer lubber lubdub lulled luller lurulu rebble rebell rebled rebred rebulb redbed redbud redded redder reddle reddur redele redell redere redler redred redure reeded reedel reeder reedle reeled reeler reeuel reller relleu rereel rerule reuele reuere reuler reulle rubbed rubbee rubbel rubber rubble rubell rudder ruddle rudrur ruelle ruller ubered udburu udullu urdeur

bbbbbbb bbruler bebeeru bebleed beddell beddred bedered bedrule beduer belluru berbere berulle blebbed bledder bleeded bleeder bleredd bleuler blubbed blubber bludder bluered blurbed blurred blurrer bredele breeded breeder brerded bubbled bubbler buddled buddler bueller bulbule bullule buludul burbled burbler burbure burdell burelle burrell dedeler deedeed del-del deleble deluded deluder derrell drebbel drebber dreuled drubbed drubber drubble druelle dubbler duelled dueller durrell eddered eel-bed ellerbe leberde leburde leddere lederer lederle leleble lubberd re-blue rebelde rebelle rebleed rebreed red-bud redblue