b-r-k bbbee bbook be-er be-ro bebek beber beebe beeke beker bekke bekko bekok bembe bembo bemer beour berbe berek berk- berke berko berme bermo berob beroe berok berom beror berre berru berum beuer beure bo-bo bobek bobko bobok bobr bobre boeke boeme boero boeur bokeo boker bokko bokok bokor bombe bombo bomer bomme booer booke booko boomb boore booru borbo boree borek borer borko borku bormo boro- borok borom boroo borou borre borro borum bouee bouer bouke bouko boure brebu breek breem breer breke breme bremm bremo breo- brere breu- brmmm brobo broek broer broke brom- brome bromo brook broom broue brouk brrrr bruer bruke brume brumm bubbe buber buker bukk- bukom bukor bumbo bumbu bumme burek burke buroo burro burru buruk ebber ebeko ebook eboue ebure eeeee ekbom ekeko ekker ekmek ekrem ekuku ekuru embee ember embro embue emeer emere emerk emmer emore emure eomer eomuk eorre erbbe erber erem- eremo erere erkko erome eroom eroor erore error eruke eubro eum-u euro- eurre k-mer k-rob kebbe kebek keber kebmo kebob keere kekem kembo kemer kemme kerek kerem kerre ko-ko kobee kober kobru kobuk koeru koker kokko kokor kokou kokre kokum kokur kombe kombo kombu komku kooru korbe korbo korek korem korke korku korom koror korro korue koruk kouer koure kre-o kreek kreke kreme kreo- kreuk kroke kromo krumm kubek kuber kubok kukko kukok kukur kumbo kumeu kumru kumuk kurbu kurek kurem kurku kurre kuruk mbebe mbeku mbere mboro mbube mburu mebbe meebo meemu meere meker mekko mekro membe memer memor meoke merer merke mero- meroe merom meroo meror merre merur meuer meure meuro mmmmm mobee mobme mobor mobro moeer moeme moere moerk moero moker mokke mokko mokre mokro mokuk mokum mombo mombu momme momoe mooer mookk moore mooro morbo moree morem morer mormo moror morou morre morro morue morum mouke moure mreru mrmom mrorr muker mukke mukur mumbe mumbo mumme mummu mumok mureu murko murom muror murre murro murru muruk murum o-r-b oboro oboue obreb obrok obrom oerme oerum okeke okemo okere okker okkur okobo okome okoro okubo okuku okume okuru ombe- omber ombre omemo omero omore omoro omuku oo-er ooooo orbom oreo- orere orero orkom ormer ormur orobe orobo oroer oroke orome oromo orrum orube oruku oruro oueme oumer ouoro oure- rebbe reber reeme reemo reere rekem rekke remee remer remor remou remue reome rere- reree rerob rerum reuer reume ro-ro robbe robbo rober robo- robor robur roero rokee roker rokke rokkk rombe romeo romer romme rooer rooke roome roomu roore rooue rorbu rorem rorer rorke rouer rouke rouko roume roumm roure rubee ruber rubke rubor ruere rukke rumbe rumbo rumer rummo rummu rumor ruomu uber- ubobo ubume ukeke ukobu umbe- umber umbre umbro umeer umeko umeme umore umour uouee ureme ureo- urker uroob urour urubu uuork uuuuu