-er b-u bbb bbd bbe bbf bbl bbr bbu bdb bdd bde bdf bdl bdr bdu be- beb bed bee bef bel ber beu bfb bfd bfe bff bfl bfr bfu blb bld ble blf bll blr blu brb brd bre brf brl brr bru bub bud bue buf bul bur buu dbb dbd dbe dbf dbl dbr dbu ddb ddd dde ddf ddl ddr ddu de- deb ded dee def del der deu dfb dfd dfe dff dfl dfr dfu dl- dlb dld dle dlf dll dlr dlu drb drd dre drl drr dru dub dud due duf dul dur ebb ebd ebe ebf ebl ebr ebu ed- edb edd ede edf edl edr edu eeb eed eee eef eel eer ef- efb efd efe eff efl efr elb eld ele elf ell elr elu erb erd ere erf erl err eru eu- eub eud eue euf eul eur fbb fbd fbe fbf fbl fbr fbu fdb fdd fde fdf fdl fdr fdu feb fed fee fef fel fer feu ffd ffe fff ffl ffr ffu flb fld fle flf fll flr flu frb frd fre frf frl frr fru fub fud fue fuf ful fur fuu lbb lbd lbe lbf lbl lbr lbu ldb ldd lde ldf ldl ldr ldu leb led lee lef lel ler leu lfb lfd lfe lff lfl lfr lfu llb lld lle llf lll llr llu lrb lrd lrf lrr lru lub lud lue luf lul lur luu rbb rbd rbe rbf rbl rbr rbu rdb rdd rde rdf rdl rdr rdu re- reb red ree ref rel rer reu rfb rfd rfe rff rfl rfr rfu rld rle rlf rll rlr rlu rrb rrd rrf rrl rrr rru rub rud rue ruf rur ruu ubb ube ubf ubl ubr ubu udb udd ude udf udl udr udu ueb ued uee uef uel uer ufd ufe uff ufl ufr ufu ulb uld ule ulf ull ulr ulu ur- urb urd ure urf url urr uru uue uur uuu

bbbb bbdd bbeb bblb bd-r bdle bduf bebb bebe bede bedl bedu beeb beed beef beel beer befe beff beld bele bell belu berd bere berr beru beur bffl bldr bleb bled blee bleu blub blud blue bluf blur breb bred bree bref brel brer brfu brrr brud brue bubb bube bubu budb budd bude budl budu buel buer bueu bufe buff bufr bulb buld bule bull bulu bur- burb burd bure burl burr buru dddd ddre ddub debe debu dedd dede dedu deeb deed deef deel deer defe deff deld dele delf dell der- derb dere derf derr deue deul deur dfer dfrf dlbd dred dree dref drel drub drue druu dub- dubb dube dubu dudd dude dudu duel duer duff dufu dule dull dulu dure duru duul duur ebbr ebed ebel eber ebru ebul ebur edde ede- edel eder edfl edfu edle edru edur eede eedu eeee eefe eefl eele efbr el-b elbe elbu elde eldr eled elee elef eler elfe elle ellu elue elul erbb erbe erde erdf ereb ered erel erer erld erle erll erre erub erur eude euer eule eur- eure fble fdlr fede feeb feed feel feer fefe feff feld fele felf fell ferb ferd fere ferr feru feud ffee ffff ffrr fldr fled flee fler flub flud flue fluf flur fred free frub frue fubb fubu fudd fude fuel fuff fufu fule full fulu fur- fure furl furr lblr le-u lebd lebu lede leed leef leel leer lefe leff lele lell lelu lerd lere leud leur lfrd lldb llef lleu llll llud lrdd lrrr lube ludd lude lued luef luer lufe luff lufu lule lull lulu lurd lure rbbb rbbr rble rder rebb rebe rebu redd rede redl redr redu reeb reed reef reel refd refe reff refl refr refu relb reld rele rell rerd rere reru reue reuf reul reuu rfef rffl rlee rlef rleu rred rrle rrrr rubb rube rubu rudd rude rudl rued ruel ruer rufe ruff rule rull rurd rure ruru ruud ubbe uber uble ubud udel uder uele uell ufel ufer uffe ulde uleb ulee ulfe ulle ullr ulul urbe urde urdu ure- ured urfe urff 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 beffe befur belde beled belee belef bellb belle belue belur berbe berde berdu bered berel berle berre berru beuer beule beure bledd blede bleed bleer blere bleue blude blued bluer bluff blufr blurb blure blurr brebu bredd brede breed breef breel breer brell brerd brere breu- brrrr brud- brude brued bruer bruff brule brull bubbe buber buble budde buddu budel budur buell buffe bufle bulb- bulde bull- bulle bulul burde burel burle burru burud ddddd debed debel deber deble dedde dedee deder dedlu dedur deede deefe deeff deele deere defed defer deffe deled delee deleu delle derbe derde dered derre derub derue deuel deule deure drdre dredd drede dreed dreel dreff drelb drell drere dreul drude dub-l dubee duble dubul duded duder dudle duele duell duere duerr dufur 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 eefde eelde eeled eeler eerde efere effed effer efuru elded eldee elder elele elfed ellel eller ellul elude elulu eluru erbbe erber erdre erede erere erfde erred euell euler eurel eurre febel feble febre fedde fedee feder feeld feele feere felde felle ferde fered ferel ferle ferr- ferre feued feuer feule flede fleed fleer flerd flere fleur fludd flued fluff flurb flure flurr frede freed freel freer frere freud freur frude fu-fu fudde fuddu fulbe fulde fulle fullf furde furel furud lebed lebel leber ledee leder ledru ledur leede leell leere lefeu leffe leful leleu lelle lered lerer leude lubbe lubed luber luble lubur ludde luddu luder lufre lulle lulul lurde lured lurer lurue rdllr rebbe rebel reber rebud redbd redde redel reder redub redur reede reefe reere refdb refed