-er b-u bbb bbd bbe bbk bbm bbn bbr bbu bdb bdd bde bdk bdm bdr bdu be- beb bed bee bek bem ben ber beu bkb bke bkk bkm bkn bkr bmb bmd bme bmk bmm bmn bmr bmu bnb bnd bne bnk bnn bnr bnu brb brd bre brk brm brn brr bru bub bud bue buk bum bun bur buu dbb dbd dbe dbk dbm dbn dbr dbu ddb ddd dde ddk ddm ddn ddr ddu de- deb ded dee dek dem den der deu dkb dke dkk dkm dkr dku dmb dmd dme dmk dmm dmn dmr dmu dnb dnd dne dnk dnm dnn dnr drb drd dre drk drm drn drr dru dub dud due duk dum dun dur ebb ebd ebe ebk ebm ebn ebr ebu ed- edb edd ede edk edm edn edr edu eeb eed eee eek eem een eer ekb ekd eke ekr eku em- emb emd eme emk emm emn emr emu en- enb end ene enk enm enn enr enu erb erd ere erk erm ern err eru eu- eub eud eue eun eur kbb kbd kbe kbk kbm kbn kbr kbu kdb kde kdk kdm kdr kdu ke- keb ked kee kek kem ken ker kkb kke kkk kkm kkn kkr kku kmb kmd kme kmk kmm kmu kn- knd kne knk knm knn knr knu krd krk krn krr kru kub kud kue kuk kum kun kur kuu m-r mbb mbd mbe mbk mbm mbr mbu mdb mdd mde mdk mdm mdn mdr mdu meb med mee mek mem men mer meu mkb mkd mke mkk mkm mkn mkr mku mmb mmd mme mmk mmm mmn mmr mmu mnb mne mnk mnm mnn mnr mnu mrb mrd mre mrk mrm mrn mrr mru mub mud mue muk mum mun mur muu nbb nbd nbe nbk nbm nbn nbr nbu ndb ndd nde ndk ndm ndn ndr ndu ne- neb ned nee nek nem nen ner neu nke nkk nkm nkn nkr nku nmb nmd nme nmk nmm nmn nmr nmu nnb nne nnk nnm nnn nnu nrb nrd nre nrk nrm nrn nrr nru nub nud nue nuk num nun nur nuu rbb rbd rbe rbk rbm rbn rbr rbu rdb rdd rde rdm rdn rdr rdu re- reb red ree rek rem ren rer reu rkb rke rkk rkm rku rmb rmd rme rmm rmn rmr rnb rnd rnm rnn rnr rnu rrb rrd rrk rrm rrn rrr rru rub rud rue ruk rum run rur ruu ubb ube ubk ubn ubr ubu udb udd ude udk udm udn udr udu ueb ued uee uem uen uer ukb uke ukk ukn ukr uku um- umb umd ume umm umn umr umu un- unb und une unk unm unn unr unu ur- urb urd ure urk urm urn urr uru uue uum uun uur uuu

-ene bbbb bbdd bbeb bd-r bdrm bebb bebe bede bedu beeb beed beek beem been beer beke beme bemu bend bene benk benn benu berd bere berk berm bern berr beru beuk beur bmdb bner bnrr brdm breb bred bree brek brem bren brer brkb brrm brrr brud brue brum brun bubb bube bubu budb budd bude budu buem buen buer bueu buke bukk buku bum- bumb bunb bund bune bunk bunn bunu bur- burb burd bure burk burm burn burr buru dbrn dddd ddre ddub debe debu dedd dede dedu deeb deed deek deem deen deer dek- deke dem- demb demd deme demn demu dene denk denn denu der- derb dere derk derm dern derr deue deuk deum deur dmrb dner dnuk dred dree drek drem dren drmk drub drue druk drum druu dub- dubb dube dubu dudd dude dudu duer duke duku dumb dume dumm dune dunk dunn dure durk durn duru duur ebbr ebed eben eber ebru ebur edde eddm ede- edem eden eder edme edrm edrn edru edun edur eede eedu eeee eeke eend ekeb eked ekek eken eker ekne ekur embd embe embr emek emen emer emeu emme emmu emne emre enb- enbn enbr end- ende endu ened enee enem ener enke enkr enne ennu enue enum enur erbb erbe erde ereb ered erem eren erer erke erme erne erre erub erum erur eude eudm euer eur- eure kbbb kbbd kbbe kbbk kbbm kbbr kbbu kbdb kbde kbdn kbdr kbeb kbed kbee kbek kben kber kbkb kbkk kbkr kbmb kbme kbmr kbnd kbnn kbnr kbnu kbrb kbrd kbre kbrk kbrn kbru kbub kbud kbue kbuk kbun kbur kbuu kdbb kdbm kdbn kdbr kddb kddd kddk kddr kdeb kdem kden kdkb kdkd kdkk kdkn kdkr kdmd kdmr kdnd kdne kdnk kdnn kdnr kdrb kdrm kdub kdun kdur kebb kebe kebn kebr kebu kedb kedd kede kedm kedr keed keek keem keen keer kekb keke keku kemb keme kemm kemr kemu ken- kend kene kenk kenm kenn kenr kenu ker- kerb kere kerk kerm kern kerr keru keun keur kkbb kkbd kkbe kkbn kkbr kkdd kkdm kked kken kkkk kkmk kkmr kknb kknd kkne kknm kknn kknu kkrb kkre kkrk kkrn kkrr kkuu kmbd kmbr kmdb kmdr kmed kmem kmen kmer kmke kmkk kmme kmmk kmmm kmmr kmnb kmnd kmne kmnr kmrb kmrn kmrr kmud kmue kmun kmur knbb knbe knbn knbr knbu kndb kndd knde kndk kndn kndr kndu kneb kned knee knek knem knen kneu knkk knmb knnb knnd knnk knnr knrb knrk knub knud knue knuk knur krbb krbd krbe krbk krbm krbr krdd krde krdm krdr krdu kreb kred kree krek krem kren kreu krkd krke krkk krkn krkr krku krmb krmd krme krmn krmr krnb krnd krne krnk krnm krnn krnu krrb krre krrk krrm krrn krrr krue kruk krum krun krur kubb kubd kube kubr kubu kudd kude kudu kued kuek kuen kueu kuke kukk kukn kuku kume kumm kumr kumu kund kune kunk kunm kunr kunu kurb kurd kure kurk kurm kurr kuru kuub kuuk kuur kuuu mbdb mbed mddm mden mdme mdmk mdud mebe medb medd mede medu meed meek meem