-er b-u bbb bbe bbg bbk bbm bbr bbu be- beb bee beg bek bem ber beu bgb bge bgg bgk bgm bgr bgu bkb bke bkg bkk bkm bkr bmb bme bmg bmk bmm bmr bmu brb bre brg brk brm brr bru bub bue bug buk bum bur buu ebb ebe ebg ebk ebm ebr ebu eeb eee eeg eek eem eer egb ege egg egm egr egu ekb eke ekg ekr eku em- emb eme emg emk emm emr emu erb ere erg erk erm err eru eu- eub eue eug eur gbe gbg gbk gbm gbr gbu ge- geb gee geg gek gem ger geu ggb ggg ggm ggr ggu gkb gkm gmb gme gmg gmm gmr grb gre grg grk grm grr gru gu- gub gue gug guk gum gur guu kbb kbe kbk kbm kbr kbu ke- keb kee keg kek kem ker kgb kgm kgu kkb kke kkk kkm kkr kku kmb kme kmg kmk kmm kmu krg krk krr kru kub kue kug kuk kum kur kuu m-r mbb mbe mbg mbk mbm mbr mbu meb mee meg mek mem mer meu mgb mge mgk mgm mgr mgu mkb mke mkg mkk mkm mkr mku mmb mme mmg mmk mmm mmr mmu mrb mre mrg mrk mrm mrr mru mub mue mug muk mum mur muu rbb rbe rbg rbk rbm rbr rbu re- reb ree reg rek rem rer reu rgb rge rgg rgk rgr rkb rke rkg rkk rkm rku rmb rme rmg rmm rmr rrb rrg rrk rrm rrr rru rub rue rug ruk rum rur ruu ubb ube ubg ubk ubr ubu ueb uee ueg uem uer ugb uge ugg ugk ugm ugr ugu ukb uke ukk ukr uku um- umb ume umg umm umr umu ur- urb ure urg urk urm urr uru uue uug uum uur uuu

bbbb bbeb bbgm bbmg bbrg bebb bebe beeb beeg beek beem beer begg begu beke beme bemu bere berg berk berm berr beru beuk beur breb bree breg brek brem brer brkb brrm brrr brue brug brum bubb bube bubu buem buer bueu buge bugg buke bukk buku bum- bumb bur- burb bure burg burk burm burr buru ebbr eber ebru ebur eeee eeke eerg egbe egbu egee egem eger eggb egge egre ekeb ekek eker ekur embe embr emek emer emeu emme emmu emre erbb erbe ereb erem erer erg- ergg erke erme erre erub erum erur euer euge eur- eure gebe geek geer gege gegg gem- gemm gemr gerb gere germ geru geue geum gggg gmer gmme gmmr grbr greb gree greg grem greu grrr grub grue grug grum grur gubb gubu guer gugb guge gugg gugu gumb gume gumm gurb gure gurg gurk gurr guru kbbb kbbe kbbg kbbk kbbm kbbr kbbu kbeb kbee kbek kber kbgb kbge kbgg kbgm kbgr kbkb kbkg kbkk kbkr kbmb kbme kbmg kbmr kbrb kbre kbrg kbrk kbru kbub kbue kbuk kbur kbuu kebb kebe kebr kebu keek keem keer kege kegg kegk kegr kekb keke keku kemb keme kemm kemr kemu ker- kerb kere kerk kerm kerr keru keug keur kgbb kgbr kgeb kgem kggg kggm kggr kgmb kgme kgrb kgre kgrg kgrk kgrm kgrr kgum kkbb kkbe kkbg kkbr kkeg kkgb kkgm kkgr kkkk kkmg kkmk kkmr kkrb kkre kkrk kkrr kkuu kmbr kmeg kmem kmer kmge kmgk kmgm kmgr kmgu kmke kmkk kmme kmmg kmmk kmmm kmmr kmrb kmrr kmue kmur krbb krbe krbg krbk krbm krbr kreb kree krek krem kreu krke krkk krkr krku krmb krme krmg krmr krrb krre krrg krrk krrm krrr krue krug kruk krum krur kubb kube kubr kubu kuek kueu kugb kuge kugr kuke kukk kuku kume kumm kumr kumu kurb kure kurk kurm kurr kuru kuub kuuk kuur kuuu mebe meek meem meer meg- mege megg megr megu meke meme memr memu mer- merb mere merk merm meru meum mger mgrm mker mmmm mrbb mrbm mreb mree mreg mrkr mruk mube muee mugg mugu muke mume mumm mumu mure murg murk murr muru rbbb rbbr rbmk rebb rebe rebk rebu reeb reek reem rege regm regr regu reke reme rere rerg reru reue reuk reuu rgbe rmrg rrkm rrrr rrum rubb rube rubu ruer ruge rugg ruke rukk ruku rumb rume rumm rure ruru ubbe ubek uber ugur uguu ukek ukeu ukum ukur umb- umbe umer ummg urbe ure- urge urgu urke urre uruk urum urur uuuu

b-r-k bbbee be-er bebek beber beebe beeke begee begem begge begue begum begur beker bekke bembe bemer berbe bereg berek berge berk- berke berme berre berru berum beuer beure brebu breek breem breer breg- brege bregg breke breme bremm brere breu- brmmm brrrr bruer bruge brugg bruke brume brumm bubbe buber buger bugge bugre buker bukk- bumbu bumme burek burge burgk burgu burke burru buruk ebber eberg ebure eeeee egger egrek egrem ekker ekmek ekrem ekuku ekuru embee ember embue emeer emere emerg emerk emmer emure erbbe erber erege erem- erere eruke eum-u eurre gbeke gberg gberu geber gebke gebre gebur geere gegge gemer gemme gemre gerbe gerke germe gerre gerum grebe greek greer grege gregg greme grgur grrrr grubb grube grume grure gubbe guber gubru gueme guere gumbe gumer gummb gumme gurge gurke gurre gurum gurur k-gee k-mer kebbe kebek keber keere kekem kemer kemme kerek kerem kergu kerre kreek kreke kreme kreuk kruge krumm kubek kuber kugur kukur kumeu kumru kumuk kurbu kurek kurem kurku kurre kuruk mbebe mbege mbeku mbere mbube mburu mebbe meemu meere meger megre meker membe memer mereg merer merge merke merre merur meuer meure mmmmm mreru muger mugur muker mukke mukur mumbe mumme mummu mureu murre murru muruk murum rebbe rebeg reber reege reeme reere regem reger regge regme regur rekem rekke remee remer remue rere- reree rerum reuer reume rubee ruber rubke ruegg ruere ruger rugge rukke rumbe rumer rummu uber- ubume ugrug ukeke ukuug umbe- umber umbre umeer umeme ureme urger urker urubu uuuuu

bbbbbb beebee beebem beebug beegee beegum beeker beembe beemer