-er bbb bbe bbk bbm bbo bbr be- beb bee bek bem beo ber bkb bke bkk bkm bko bkr bmb bme bmk bmm bmo bmr bob boe bok bom boo bor brb bre brk brm bro brr ebb ebe ebk ebm ebo ebr eeb eee eek eem eeo eer ekb eke eko ekr em- emb eme emk emm emo emr eo- eob eoe eok eom eoo eor erb ere erk erm ero err kbb kbe kbk kbm kbo kbr ke- keb kee kek kem keo ker kkb kke kkk kkm kkr kmb kme kmk kmm kmo kob koe kok kom koo kor krk kro krr m-o m-r mbb mbe mbk mbm mbo mbr meb mee mek mem meo mer mkb mke mkk mkm mko mkr mmb mme mmk mmm mmo mmr mob moe mok mom moo mor mrb mre mrk mrm mro mrr ob- obb obe obk obm obo obr oeb oee oem oeo oer okb oke okk oko okr om- omb ome omm omo omr oo- oob ook oom ooo oor or- orb ore ork orm oro orr rbb rbe rbk rbm rbo rbr re- reb ree rek rem reo rer rkb rke rkk rkm rko rmb rme rmm rmo rmr rob roe rok rom roo ror rrb rrk rrm rrr

bbbb bbeb bebb bebe bebo beeb beek beem beer beke beko beme beo- beok beor bere berk berm bero berr bobb bobe bobo boee boeo boer boke boko bomb bome boob booe book boom boor bor- bore bork borm boro borr breb bree brek brem breo brer brkb brob broe brok brom broo bror brrm brrr ebbo ebbr eber eboe eboo ebor ebro eeee eeke eemo eero ekeb ekek eker embe embo embr emek emer emme emor emre eore erbb erbe ereb erem erer erke erme ermo erob eroe eroo erre erro kbbb kbbe kbbk kbbm kbbo kbbr kbeb kbee kbek kbeo kber kbkb kbkk kbko kbkr kbmb kbme kbmo kbmr kbob kboe kbok kboo kbrb kbre kbrk kbro kebb kebe kebr keek keem keer kekb keke keko kemb keme kemm kemo kemr keok keom ker- kerb kere kerk kerm kero kerr kkbb kkbe kkbo kkbr kkkk kkmk kkmo kkmr kkob kkoo kkor kkrb kkre kkrk kkro kkrr kmbr kmem kmeo kmer kmke kmkk kmko kmme kmmk kmmm kmmo kmmr kmob kmoe kmok kmom kmor kmrb kmro kmrr kobb kobe kobk kobo kobr kokb koke kokk koko kokr komb kome komo komr koob kook kooo koor korb kore kork koro korr krbb krbe krbk krbm krbr kreb kree krek krem kreo krke krkk krko krkr krmb krme krmo krmr krob kroe krok krom kroo kror krrb krre krrk krrm krro krrr mebe mebo meek meem meer meke meko meme memo memr meok meor mer- merb mere merk merm mero mker mmmm mmor mobb mobe mobo moke moko mome momo moob mooe mook moor morb more mork moro mrbb mrbm mreb mree mrkr o-eo obbo ober obkb oboe obok obor obre obro oeme oere oerm oker okko okmo okok okom okor okre okro ombe ombo omee omeo omer omo- omoe omoo omor omre omro oobe ooer oome oooo oore orbb orbe orbo ore- oreb orek orem oreo orer orke orko orme ormo oro- oroe orok orom oror orro rbbb rbbr rbmk rebb rebe rebk rebo reeb reek reem reke reko reme remo rere rero rob- robb robe robo roer roke rokk roko rokr romb rome romk romm romo roob rook room roor rore rork roro rrkm rrrr

b-r-k bbbee bbook be-er be-ro bebek beber beebe beeke beker bekke bekko bekok bembe bembo bemer berbe berek berk- berke berko berme bermo berob beroe berok berom beror berre bo-bo bobek bobko bobok bobr bobre boeke boeme boero bokeo boker bokko bokok bokor bombe bombo bomer bomme booer booke booko boomb boore borbo boree borek borer borko bormo boro- borok borom boroo borre borro breek breem breer breke breme bremm bremo breo- brere brmmm brobo broek broer broke brom- brome bromo brook broom brrrr ebber ebeko ebook eeeee ekbom ekeko ekker ekmek ekrem embee ember embro emeer emere emerk emmer emore eomer eorre erbbe erber erem- eremo erere erkko erome eroom eroor erore error k-mer k-rob kebbe kebek keber kebmo kebob keere kekem kembo kemer kemme kerek kerem kerre ko-ko kobee kober koker kokko kokor kokre kombe kombo korbe korbo korek korem korke korom koror korro kre-o kreek kreke kreme kreo- kroke kromo mbebe mbere mboro mebbe meebo meere meker mekko mekro membe memer memor meoke merer merke mero- meroe merom meroo meror merre mmmmm mobee mobme mobor mobro moeer moeme moere moerk moero moker mokke mokko mokre mokro mombo momme momoe mooer mookk moore mooro morbo moree morem morer mormo moror morre morro mrmom mrorr o-r-b oboro obreb obrok obrom oerme okeke okemo okere okker okobo okome okoro ombe- omber ombre omemo omero omore omoro oo-er ooooo orbom oreo- orere orero orkom ormer orobe orobo oroer oroke orome oromo rebbe reber reeme reemo reere rekem rekke remee remer remor reome rere- reree rerob ro-ro robbe robbo rober robo- robor roero rokee roker rokke rokkk rombe romeo romer romme rooer rooke roome roore rorem rorer rorke

b-room bbbbbb bebook beebee beebem beeker beembe beemer beerme bekker bekoor bekoro berbee berbeo berber bereke bereko berere berker bermeo berrer bobber bobeke bobrek bobrok boeber boerre bokere bokkom bokomo bokoro bomber bombom bommer boober booboo bookem booker boom-o boomer borbor boroko boromo borore bororo breere brekke brembo bremer bremke broker brokke brokkr bromme bromo- brooke broome e-book eebree ekembo ekerem ekero ekokem embree emeere erbree eremo- kebber kebero keeker kembe kember kemmer keokee kerber kerker koboko kokomo kokoro komkor komoe komoro kookoo korber koreke korere korero korkor koromo kororo korrek kreker kremer krokek krokom kromer mbembe mbombe mbombo mborko meeker mekoro member membre mememe memere memome memore memrom merbok merkem merker mermer merrem merror mobber moembe mokere mokobe mokoro mommer momoko moomoo moorer mormor morobe oberek oerbke okerer ombro- omemee ookroo oooooo ormore oromeo oromoo reboke rebomb rebook rebore reebok reeker rekkem remoor remore