-er b-u bbb bbd bbe bbk bbn bbr bbu bdb bdd bde bdk bdr bdu be- beb bed bee bek ben ber beu bkb bke bkk bkn bkr bnb bnd bne bnk bnn bnr bnu brb brd bre brk brn brr bru bub bud bue buk bun bur buu dbb dbd dbe dbk dbn dbr dbu ddb ddd dde ddk ddn ddr ddu de- deb ded dee dek den der deu dkb dke dkk dkr dku dnb dnd dne dnk dnn dnr drb drd dre drk drn drr dru dub dud due duk dun dur ebb ebd ebe ebk ebn ebr ebu ed- edb edd ede edk edn edr edu eeb eed eee eek een eer ekb ekd eke ekr eku en- enb end ene enk enn enr enu erb erd ere erk ern err eru eu- eub eud eue eun eur kbb kbd kbe kbk kbn kbr kbu kdb kde kdk kdr kdu ke- keb ked kee kek ken ker kkb kke kkk kkn kkr kku kn- knd kne knk knn knr knu krd krk krn krr kru kub kud kue kuk kun kur kuu nbb nbd nbe nbk nbn nbr nbu ndb ndd nde ndk ndn ndr ndu ne- neb ned nee nek nen ner neu nke nkk nkn nkr nku nnb nne nnk nnn nnu nrb nrd nre nrk nrn nrr nru nub nud nue nuk nun nur nuu rbb rbd rbe rbk rbn rbr rbu rdb rdd rde rdn rdr rdu re- reb red ree rek ren rer reu rkb rke rkk rku rnb rnd rnn rnr rnu rrb rrd rrk rrn rrr rru rub rud rue ruk run rur ruu ubb ube ubk ubn ubr ubu udb udd ude udk udn udr udu ueb ued uee uen uer ukb uke ukk ukn ukr uku un- unb und une unk unn unr unu ur- urb urd ure urk urn urr uru uue uun uur uuu

-ene bbbb bbdd bbeb bd-r bebb bebe bede bedu beeb beed beek been beer beke bend bene benk benn benu berd bere berk bern berr beru beuk beur bner bnrr breb bred bree brek bren brer brkb brrr brud brue brun bubb bube bubu budb budd bude budu buen buer bueu buke bukk buku bunb bund bune bunk bunn bunu bur- burb burd bure burk burn burr buru dbrn dddd ddre ddub debe debu dedd dede dedu deeb deed deek deen deer dek- deke dene denk denn denu der- derb dere derk dern derr deue deuk deur dner dnuk dred dree drek dren drub drue druk druu dub- dubb dube dubu dudd dude dudu duer duke duku dune dunk dunn dure durk durn duru duur ebbr ebed eben eber ebru ebur edde ede- eden eder edrn edru edun edur eede eedu eeee eeke eend ekeb eked ekek eken eker ekne ekur enb- enbn enbr end- ende endu ened enee ener enke enkr enne ennu enue enur erbb erbe erde ereb ered eren erer erke erne erre erub erur eude euer eur- eure kbbb kbbd kbbe kbbk kbbr kbbu kbdb kbde kbdn kbdr kbeb kbed kbee kbek kben kber kbkb kbkk kbkr kbnd kbnn kbnr kbnu kbrb kbrd kbre kbrk kbrn kbru kbub kbud kbue kbuk kbun kbur kbuu kdbb kdbn kdbr kddb kddd kddk kddr kdeb kden kdkb kdkd kdkk kdkn kdkr kdnd kdne kdnk kdnn kdnr kdrb kdub kdun kdur kebb kebe kebn kebr kebu kedb kedd kede kedr keed keek keen keer kekb keke keku ken- kend kene kenk kenn kenr kenu ker- kerb kere kerk kern kerr keru keun keur kkbb kkbd kkbe kkbn kkbr kkdd kked kken kkkk kknb kknd kkne kknn kknu kkrb kkre kkrk kkrn kkrr kkuu knbb knbe knbn knbr knbu kndb kndd knde kndk kndn kndr kndu kneb kned knee knek knen kneu knkk knnb knnd knnk knnr knrb knrk knub knud knue knuk knur krbb krbd krbe krbk krbr krdd krde krdr krdu kreb kred kree krek kren kreu krkd krke krkk krkn krkr krku krnb krnd krne krnk krnn krnu krrb krre krrk krrn krrr krue kruk krun krur kubb kubd kube kubr kubu kudd kude kudu kued kuek kuen kueu kuke kukk kukn kuku kund kune kunk kunr kunu kurb kurd kure kurk kurr kuru kuub kuuk kuur kuuu nber nddb ndde nder ndre nebb nebe nebn nebr nebu nedd nede nedu neeb need neen neer neke neku nend nene nenu nerd nere nerk nerr neru neue neuk neun neur neuu nndb nnnn nren nrrd nube nubk nudd nude nuee nuer nuke nuku nune nunk nunn nurd nure nurn nurr nuru nuuk rbbb rbbr rder rebb rebe rebk rebu redd rede redr redu reeb reed reek reen reke rend rene renk renn renu rerd rere reru reue reuk reuu rnbr rred rrrr rrun rubb rube rubu rudd rude rued ruen ruer ruke rukk rukn ruku rund rune runk runn rurd rure ruru ruud ruun ubbe ubek uber ubud uden uder uduk udun uend ukek ukeu ukur unbd unbe unde uneb uned unee unen uner unke unkn unne urbe urde urdu ure- ured urke urne urre uruk urun urur uuen uuuu

b-e-d b-r-k bbbee bd-re be-er bebed bebek beber bedde bedee beden beder bedub bedue beduk beebe beede beeke beene beerd beken beker bekke bende bene- benke benne bennu benue benuk benun benur berbe berde berdu bered berek beren berk- berke bernd berne berre berru berun beuer beure brebu bredd brede breed breek breen breer breke brend brene brenk brenn brerd brere breu- brrrr brud- brude brued bruen bruer bruke brune brunk brunn bruun bubbe buben buber budde buddu budur buker bukk- buknu bunde bundu bunke bunne bunud bunuk bunun burde burek buren burke burn- burne burru burud buruk burun ddddd ddruk debed deben deber debke debne dedde dedee deden deder dedun dedur deede deene deere deked deken dende deneb denee dener denne derbe derde dered derek deren derke derne derre derub derue deruk deure drdre dredd drede dreed dreen drere drnek drude drunk du-ku dubee dubek duben dubne duded dudek