-er b-u bbb bbd bbe bbg bbr bbt bbu bdb bdd bde bdg bdr bdt bdu be- beb bed bee beg ber bet beu bgb bgd bge bgg bgr bgt bgu brb brd bre brg brr brt bru btb btd bte btg btr btt btu bub bud bue bug bur but buu dbb dbd dbe dbg dbr dbt dbu ddb ddd dde ddg ddr ddt ddu de- deb ded dee deg der det deu dgd dge dgg dgr dgt dgu drb drd dre drg drr drt dru dtb dtd dte dtg dtr dtt dtu dub dud due dug dur dut ebb ebd ebe ebg ebr ebt ebu ed- edb edd ede edg edr edt edu eeb eed eee eeg eer eet egb egd ege egg egr egt egu erb erd ere erg err ert eru etb etd ete etg etr ett etu eu- eub eud eue eug eur eut g-d gbd gbe gbg gbr gbt gbu gdb gdd gde gdr gdt gdu ge- geb ged gee geg ger get geu ggb ggd ggg ggr ggt ggu grb grd gre grg grr grt gru gtb gtd gte gtg gtr gtt gtu gu- gub gud gue gug gur gut guu rbb rbd rbe rbg rbr rbt rbu rdb rdd rde rdg rdr rdt rdu re- reb red ree reg rer ret reu rgb rgd rge rgg rgr rgt rrb rrd rrg rrr rrt rru rtb rtd rte rtg rtr rtt rtu rub rud rue rug rur rut ruu tbb tbd tbe tbg tbr tbt tbu tdb tdd tde tdg tdr tdt tdu te- teb ted tee teg ter tet teu tgb tge tgg tgr tgt tgu trb trd tre trg trr trt tru ttb ttd tte ttg ttr ttt ttu tub tud tue tug tur tut tuu ubb ube ubg ubr ubt ubu udb udd ude udg udr udt udu ueb ued uee ueg uer uet ugb uge ugg ugr ugt ugu ur- urb urd ure urg urr urt uru utb utd ute utr utt utu uue uug uur uut uuu

bbbb bbdd bbeb bbet bbrg bd-r bebb bebe bede bedu beeb beed beeg beer beet begg begu berd bere berg berr bert beru bete bett betu beur brdt breb bred bree breg brer bret brrr brud brue brug brut btdt btrt bttb bubb bube bubu budb budd bude budg budu buer bueu buge bugg bur- burb burd bure burg burr burt buru but- bute butt dbtt dddd ddre ddub debe debt debu dedd dede dedu deeb deed deeg deer deet dege degu der- derb dere derg derr dete detr deue deur deut dgeg dgge dred dree dreg dret drge drub drue drug drut druu dted dub- dubb dube dubu dudd dude dudu duer duet dugu dure durg durt duru dute duur duut ebbr ebed eber ebru ebur edde ede- eder edge edru edur eede eedu eeee eerg eete eetu egbe egbu egee eger eggb egge egre egte erbb erbe erde ereb ered erer eret erg- ergg erre ertu erub erur etbr etee eter etre ette ettu eude euer euge eur- eure eurt gbde gddb gdrt gebe gedd gede gedu geed geer geet gege gegg gerb gerd gere gert geru getb gete getg gett geue ggbt gggg grbr greb gree greg gret greu grrr grub grue grug grur grut gtbr gubb gubu gude gudu guer gugb guge gugg gugu gurb gurd gure gurg gurr gurt guru gute gutt gutu rbbb rbbr rder rebb rebe rebu redd rede redr redu reeb reed reet regd rege regr regt regu rerd rere rerg rert reru retd rete retr rett reue reut reuu rgbe rgtr rred rrrr rtdt rtee rubb rube rubu rudd rude rued ruer ruet ruge rugg rurd rure ruru rute rutt rutu ruud tbrb tddb tebu tedd tede teed teer teet tegg tegt tegu ter- tere terr teru tete tetr tett tetu teut tre- tred tree treg tret treu trge trte trtr trub trud true trug trut truu ttbb tter tttt tubb tube tubr tubu tude tudu tuer tuet tugg tugu turb turd ture turg turr turt turu tute tutt tutu ubbe uber ubet ubud uder udet udgb udge uggt ugur uguu urbe urde urdu ure- ured uret urge urgu urre urte urur urut uter uttu utug uuuu

-tree b-e-d bbbee bd-re be-er bebed beber bedde bedee beder bedet bedub bedue bedug beebe beede beerd beete beeut begee beget begge begue begur begut berbe berde berdu bered bereg beret berge berre berru berte betee beter betre bett- bette beuer beure beute brebu bredd brede bredt breed breer breet breg- brege bregg brerd brere brett breu- brrrr brud- brude brued bruer bruet bruge brugg brute btr-d btr-t bubbe buber budde buddu budge budur buger bugge bugre burde buret burge burgu burru burte burtt burud burut buter butte butut ddddd debed deber debet debte debug debut dedde dedee deder dedur dedut deede deere degre degut derbe derde dered dereg derge derre derub derue deter detre dette detur deure deut- drdre dredd drede dredg dreed drere drude drugu dubee duded duder duere duerr duete duett durbe dured duree durer duret durre durte durtu dutte e-dee ebbed ebber ebbet eberg ebert ebure edder eddre edere edged edger edred eeeee eerde egede egged egger egret erbbe erber erdre erdut erede erege erere erred errtu erte erter ertug etete etree etter etude eturu eurre gbedu gberg gberu geber gebet gebre gebur gedeb geder gedge gedre gedur geere geert geete gegge gerbe gerd- gerde gerdt gerdu gerre gertt getee geter gette grebe grede greed greer greet grege gregg grete grett greut grgur grrrr grubb grube grude grued grure gruut gtube gubbe guber gubru guddu gudeg guder gudge gudur guede guere guged gurge gurre gurur gutte rebbe rebeg reber rebet rebud rebut redbd redde reder redub redug redur reede reege reere reger reget regge regtt regur regut rerde rere- reree reret reted retee reter retrg rette reuer reuet reute rubee ruber ruder rudge ruede ruegg ruere ruete ruger ruget rugge rurde ruter rutte ruutu tbtbt tbutt teber tebet teder tedge teege