-er b-u bbb bbd bbe bbf bbg bbr bbu bdb bdd bde bdf bdg bdr bdu be- beb bed bee bef beg ber beu bfb bfd bfe bff bfg bfr bfu bgb bgd bge bgf bgg bgr bgu brb brd bre brf brg brr bru bub bud bue buf bug bur buu dbb dbd dbe dbf dbg dbr dbu ddb ddd dde ddf ddg ddr ddu de- deb ded dee def deg der deu dfb dfd dfe dff dfg dfr dfu dgd dge dgf dgg dgr dgu drb drd dre drg drr dru dub dud due duf dug dur ebb ebd ebe ebf ebg ebr ebu ed- edb edd ede edf edg edr edu eeb eed eee eef eeg eer ef- efb efd efe eff efg efr egb egd ege egf egg egr egu erb erd ere erf erg err eru eu- eub eud eue euf eug eur fbb fbd fbe fbf fbg fbr fbu fdb fdd fde fdf fdg fdr fdu feb fed fee fef feg fer feu ffd ffe fff ffg ffr ffu fgb fgd fge fgf fgg fgr frb frd fre frf frg frr fru fub fud fue fuf fug fur fuu g-d gbd gbe gbf gbg gbr gbu gdb gdd gde gdf gdr gdu ge- geb ged gee gef geg ger geu gfb gfd gfe gff gfr ggb ggd ggg ggr ggu grb grd gre grf grg grr gru gu- gub gud gue guf gug gur guu rbb rbd rbe rbf rbg rbr rbu rdb rdd rde rdf rdg rdr rdu re- reb red ree ref reg rer reu rfb rfd rfe rff rfg rfr rfu rgb rgd rge rgf rgg rgr rrb rrd rrf rrg rrr rru rub rud rue ruf rug rur ruu ubb ube ubf ubg ubr ubu udb udd ude udf udg udr udu ueb ued uee uef ueg uer ufd ufe uff ufg ufr ufu ugb uge ugf ugg ugr ugu ur- urb urd ure urf urg urr uru uue uug uur uuu

bbbb bbdd bbeb bbrg bd-r bduf bebb bebe bede bedu beeb beed beef beeg beer befe beff begg begu berd bere berg berr beru beur bfgf breb bred bree bref breg brer brfu brrr brud brue brug bubb bube bubu budb budd bude budg budu buer bueu bufe buff bufr buge bugg bur- burb burd bure burg burr buru dddd ddre ddub debe debu dedd dede dedu deeb deed deef deeg deer defe deff defg dege degu der- derb dere derf derg derr deue deur dfer dfrf dgeg dgge dred dree dref dreg drge drub drue drug druu dub- dubb dube dubu dudd dude dudu duer duff dufu dugu dure durg duru duur ebbr ebed eber ebru ebur edde ede- eder edfu edge edru edur eede eedu eeee eefe eerg ef-g efbr egbe egbu egee eger egfr eggb egge egre erbb erbe erde erdf ereb ered erer erg- ergg erre erub erur eude euer euge eur- eure fede feeb feed feer fefe feff fege fegg ferb ferd fere ferr feru feud ffee ffff ffrr fred free frub frue frug fubb fubu fudd fude fuff fufu fuge fugu fur- fure furg furr gbde gddb gdfr gebe gedd gede gedu geed geer gefe gege gegg gerb gerd gere geru geue gfer ggfg gggg grbr greb gree gref greg greu grrr grub grue gruf grug grur gubb gubu gude gudu guer guff gugb guge gugg gugu gurb gurd gure gurg gurr guru rbbb rbbr rder rebb rebe rebu redd rede redr redu reeb reed reef refd refe reff refg refr refu regd rege regr regu rerd rere rerg reru reue reuf reuu rfef rgbe rred rrrr rubb rube rubu rudd rude rued ruer rufe ruff ruge rugg rurd rure ruru ruud ubbe uber ubud uder udgb udge ufer uffe ugur uguu urbe urde urdu ure- ured urfe urff urge urgu urre urur uuuu

b-e-d bbbee bd-re be-er bebed beber bedde bedee beder bedub bedue bedug beebe beede beerd beffe befur begee begge begue begur berbe berde berdu bered bereg berge berre berru beuer beure brebu bredd brede breed breef breer breg- brege bregg brerd brere breu- brrrr brud- brude brued bruer bruff bruge brugg bubbe buber budde buddu budge budur buffe buger bugge bugre burde burge burgu burru burud ddddd debed deber debug dedde dedee deder dedur deede deefe deeff deere defed defer deffe degre derbe derde dered dereg derge derre derub derue deure drdre dredd drede dredg dreed dreff drere drude drugu dubee duded duder duere duerr dufur durbe dured duree durer durre e-dee ebbed ebber eberg ebure edder eddre edere edged edger edred eeeee eefde eerde efere effed effer efuru egbdf egede egged egger erbbe erber erdre erede erege erere erfde erred eurre febre fedde fedee feder feere fegue ferde fered ferr- ferre feued feuer feuge frede freed freer frege frere freud freur frude fu-fu fudde fuddu fudge fugee fuger fugue fugug furde furud gbedu gberg gberu geber gebre gebur gedeb geder gedge gedre gedur geere gegge gerbe gerd- gerde gerdu gerre geruf grebe grede greed greef greer grefe greff grege gregg grgur grrrr grubb grube grude grued grufe gruff grure gubbe guber gubru guddu gudeg guder gudge gudur guede guere guged gurge gurre gurur rebbe rebeg reber rebud redbd redde reder redub redug redur reede reefe reege reere refdb refed refer reffe reger regge regur rerde rere- reree reuer rubee ruber ruder rudge ruede ruegg ruere ruffe ruger rugge rurde u-dub uber- udder udege udged ufere ugrug urdee urged urger urubu uuuuu

bbbbbb bedbug bedded bedder bedrug beduru beebee beebug beedee beefed beefer beegee beerde befree begged begger berbee berber berede berege berere berger berrer berube beurre bredde breded breder breede breefe breege breere breger bregge breuer brubru bruder brudge brugge brurde bruree bubber bububu budded budder buddug budged budger budugu buffed buffer bugbug bugged bugger burbur burder burdur burfee burgee burger burred burree burrer de-err debdeb debefe debere debuff deburr deeded deedee deeder defeud deffer defude degged degree derere derfde derrer derure deubre dreder dredge druber drudge