-er b-u bbb bbd bbe bbn bbr bbt bbu bdb bdd bde bdr bdt bdu be- beb bed bee ben ber bet beu bnb bnd bne bnn bnr bnt bnu brb brd bre brn brr brt bru btb btd bte btn btr btt btu bub bud bue bun bur but buu dbb dbd dbe dbn dbr dbt dbu ddb ddd dde ddn ddr ddt ddu de- deb ded dee den der det deu dnb dnd dne dnn dnr dnt drb drd dre drn drr drt dru dtb dtd dte dtn dtr dtt dtu dub dud due dun dur dut ebb ebd ebe ebn ebr ebt ebu ed- edb edd ede edn edr edt edu eeb eed eee een eer eet en- enb end ene enn enr ent enu erb erd ere ern err ert eru etb etd ete etn etr ett etu eu- eub eud eue eun eur eut nbb nbd nbe nbn nbr nbt nbu ndb ndd nde ndn ndr ndt ndu ne- neb ned nee nen ner net neu nnb nne nnn nnt nnu nrb nrd nre nrn nrr nrt nru ntb ntd nte ntn ntr ntt ntu nub nud nue nun nur nut nuu rbb rbd rbe rbn rbr rbt rbu rdb rdd rde rdn rdr rdt rdu re- reb red ree ren rer ret reu rnb rnd rnn rnr rnt rnu rrb rrd rrn rrr rrt rru rtb rtd rte rtn rtr rtt rtu rub rud rue run rur rut ruu tbb tbd tbe tbn tbr tbt tbu tdb tdd tde tdn tdr tdt tdu te- teb ted tee ten ter tet teu tnb tnd tne tnn tnr tnt trb trd tre trn trr trt tru ttb ttd tte ttn ttr ttt ttu tub tud tue tun tur tut tuu ubb ube ubn ubr ubt ubu udb udd ude udn udr udt udu ueb ued uee uen uer uet un- unb und une unn unr unt unu ur- urb urd ure urn urr urt uru utb utd ute utn utr utt utu uue uun uur uut uuu

-ene bbbb bbdd bbeb bbet bd-r bebb bebe bede bedu beeb beed been beer beet bend bene benn bent benu berd bere bern berr bert beru bete bett betu beur bner bnet bnrr brdt breb bred bree bren brer bret brrr brud brue brun brut btdt bten btrt bttb bubb bube bubu budb budd bude budu buen buer bueu bunb bund bune bunn bunt bunu bur- burb burd bure burn burr burt buru but- bute butt dbrn dbtt dddd ddre ddub debe debt debu dedd dede dedu deeb deed deen deer deet dene denn dent denu der- derb dere dern derr dete detn detr deue deur deut dner dnet dntt dnut dred dree dren dret drub drue drut druu dted dten dtnb dub- dubb dube dubu dudd dude dudu duer duet dune dunn dunt dure durn durt duru dute duur duut ebbr ebed eben eber ebru ebur edde ede- eden eder edrn edru edun edur eede eedu eeee eend eent eete eetu enb- enbn enbr end- ende endu ened enee ener enne ennu ent- entd ente entr enue enur enut erbb erbe erde ereb ered eren erer eret erne erre ertu erub erur etbr etee eten eter etne etnr etre ette ettn ettu etun eude euer eur- eure eurt nber nddb ndde nder ndnt ndre ndut nebb nebe nebn nebr nebu nedd nede nedu neeb need neen neer neet nend nene nent nenu nerd nere nerr nert neru net- netb netd nete nett neue neun neur neut neuu nndb nnnn nntn nren nrrd nter nteu ntnd ntnu ntru nttr nube nudd nude nuee nuer nune nunn nunt nurd nure nurn nurr nurt nuru nute nutt nutu rbbb rbbr rder rebb rebe rebu redd rede redr redu reeb reed reen reet rend rene renn rent renu rerd rere rert reru retd rete retr rett reue reut reuu rnbr rnnt rntd rnut rred rrrr rrun rtdt rtee rtnd rubb rube rubu rudd rude rued ruen ruer ruet rund rune runn runt rurd rure ruru rute rutt rutu ruud ruun tbrb tddb tebu tedd tede teed teen teer teet tenb tend tene tenn tent tenu ter- tere tern terr teru tete tetr tett tetu teut tndd tneb tnut tre- tred tree tren tret treu trte trtr trub trud true trun trut truu ttbb tten tter tttt tubb tube tubr tubu tude tudu tuen tuer tuet tunb tund tune tunn tunu turb turd ture turn turr turt turu tute tutt tutu ubbe uber ubet ubud uden uder udet udun uend unbd unbe unde uneb uned unee unen uner unne untb unte unut urbe urde urdu ure- ured uret urne urre urte urun urur urut uter utne uttu uuen uuuu

-tree b-e-d bbbee bd-re be-er bebed beber bedde bedee beden beder bedet bedub bedue beebe beede beene beerd beete beeut bende bene- benet benne bennu benue benun benur benut berbe berde berdu bered beren beret bernd berne bernt berre berru berte berun betee beten beter betne betre bett- bette beuer beure beute bnetd brebu bredd brede bredt breed breen breer breet brend brene brenn brent brerd brere brett breu- brrrr brud- brude brued bruen bruer bruet brune brunn brunt brute bruun btr-d btr-t bubbe buben buber budde buddu budur bunde bundt bundu bunne bunte bunud bunun bunut burde buren buret burn- burne burnt burru burte burtt burud burun burut buten buter butte butut ddddd debed deben deber debet debne debte debut dedde dedee deden deder dedun dedur dedut deede deene deere dende deneb denee dener denet denne dent- dente derbe derde dered deren derne derre derub derue deter detre dette detur deure deut- dnert drdre dredd drede dreed dreen drent drere drude dturn dubee duben dubne duded duden duder duere duerr duete duett duned dunet dunne dunun durbe dured duree duren durer duret durre durte durtu dutte e-dee e-ten ebbed ebber ebbet ebene ebern ebert ebner ebure edder eddre edere edern edred eeden eeeee eener eenet eerde eeten enbun ended enden ender endue enent