-er b-u bbb bbd bbe bbf bbr bbu bdb bdd bde bdf bdr bdu be- beb bed bee bef ber beu bfb bfd bfe bff bfr bfu brb brd bre brf brr bru bub bud bue buf bur buu dbb dbd dbe dbf dbr dbu ddb ddd dde ddf ddr ddu de- deb ded dee def der deu dfb dfd dfe dff dfr dfu drb drd dre drr dru dub dud due duf dur ebb ebd ebe ebf ebr ebu ed- edb edd ede edf edr edu eeb eed eee eef eer ef- efb efd efe eff efr erb erd ere erf err eru eu- eub eud eue euf eur fbb fbd fbe fbf fbr fbu fdb fdd fde fdf fdr fdu feb fed fee fef fer feu ffd ffe fff ffr ffu frb frd fre frf frr fru fub fud fue fuf fur fuu rbb rbd rbe rbf rbr rbu rdb rdd rde rdf rdr rdu re- reb red ree ref rer reu rfb rfd rfe rff rfr rfu rrb rrd rrf rrr rru rub rud rue ruf rur ruu ubb ube ubf ubr ubu udb udd ude udf udr udu ueb ued uee uef uer ufd ufe uff ufr ufu ur- urb urd ure urf urr uru uue uur uuu

bbbb bbdd bbeb bd-r bduf bebb bebe bede bedu beeb beed beef beer befe beff berd bere berr beru beur breb bred bree bref brer brfu brrr brud brue bubb bube bubu budb budd bude budu buer bueu bufe buff bufr bur- burb burd bure burr buru dddd ddre ddub debe debu dedd dede dedu deeb deed deef deer defe deff der- derb dere derf derr deue deur dfer dfrf dred dree dref drub drue druu dub- dubb dube dubu dudd dude dudu duer duff dufu dure duru duur ebbr ebed eber ebru ebur edde ede- eder edfu edru edur eede eedu eeee eefe efbr erbb erbe erde erdf ereb ered erer erre erub erur eude euer eur- eure fede feeb feed feer fefe feff ferb ferd fere ferr feru feud ffee ffff ffrr fred free frub frue fubb fubu fudd fude fuff fufu fur- fure furr rbbb rbbr rder rebb rebe rebu redd rede redr redu reeb reed reef refd refe reff refr refu rerd rere reru reue reuf reuu rfef rred rrrr rubb rube rubu rudd rude rued ruer rufe ruff rurd rure ruru ruud ubbe uber ubud uder ufer uffe urbe urde urdu ure- ured urfe urff urre urur uuuu

b-e-d bbbee bd-re be-er bebed beber bedde bedee beder bedub bedue beebe beede beerd beffe befur berbe berde berdu bered berre berru beuer beure brebu bredd brede breed breef breer brerd brere breu- brrrr brud- brude brued bruer bruff bubbe buber budde buddu budur buffe burde burru burud ddddd debed deber dedde dedee deder dedur deede deefe deeff deere defed defer deffe derbe derde dered derre derub derue deure drdre dredd drede dreed dreff drere drude dubee duded duder duere duerr dufur durbe dured duree durer durre e-dee ebbed ebber ebure edder eddre edere edred eeeee eefde eerde efere effed effer efuru erbbe erber erdre erede erere erfde erred eurre febre fedde fedee feder feere ferde fered ferr- ferre feued feuer frede freed freer frere freud freur frude fu-fu fudde fuddu furde furud rebbe reber rebud redbd redde reder redub redur reede reefe reere refdb refed refer reffe rerde rere- reree reuer rubee ruber ruder ruede ruere ruffe rurde u-dub uber- udder ufere urdee urubu uuuuu

bbbbbb bedded bedder beduru beebee beedee beefed beefer beerde befree berbee berber berede berere berrer berube beurre bredde breded breder breede breefe breere breuer brubru bruder brurde bruree bubber bububu budded budder buffed buffer burbur burder burdur burfee burred burree burrer de-err debdeb debefe debere debuff deburr deeded deedee deeder defeud deffer defude derere derfde derrer derure deubre dreder druber dubbed dubber dubdub dudder duerer duffed duffer durfee eburru eebree effere effude erbree fedder federd feeded feedee feeder feered ferber ferder ferede ferfer ferred ferrer ferrur feuded feudee feuder freedb frefre freude freure fudder fuffed furber furder furfur furred furrer furrfu rebred rebuff redbed redbud redded redder reddur redere redred redure reeded reeder reefed reefer reeffe refeed refeff reffed refurb reuere rubbed rubbee rubber rudder rudrur ruffed ruffer ubered udburu urdeur uruffe

bbbbbbb be-free bebeeru beddred bedered bedfere beduer berbere brebeuf breeded breeder brerded burbure deedeed drebber drubbed drubber eddered federed federer ferebee ferrere ferrure fredebb freebee frubber furrure rebreed red-bud reddeer reddere reddure reedbed refered referee referer rerefer ubberud uddered

bbbbbbbb bed-fere bederede beedered befurred berebere buffdeer buffered buruburu debuffed deburred deferred deferrer deffered duddered freebeer rebuffed rebuffer red-deer reddeber redubbed redubber reed-bed reedreed refereed referred referree referrer refurbed rubbered ruddered

beebeebee ddddddddd dereferer federe free-reed

berberburr debbeebbed rebuffered rereferred

bbbbbbbbbbbbbbb redderdeererred