bbbee be-er be-ro beber bebog beebe begee begem begge begob begor begue begum begur bembe bembo bemer beour berbe bereg berge berme bermo berob beroe berom beror berre berru berum beuer beure bo-bo bobr bobre boege boeme boero boeur boger bogge bogoe bogor bogu bogue bogur bombe bombo bomer bomme booer boomb boore booru borbo boree borer borge borgo borgu bormo boro- borom boroo borou borre borro borum bouee bouer bouge boure bourg brebu breem breer breg- brege bregg breme bremm bremo breo- brere breu- brmmm brobo broer brom- brome bromo broom broue brrrr bruer bruge brugg brume brumm bubbe buber buger bugge bugoo bugre bumbo bumbu bumme burge burgo burgu buroo burro burru ebber eberg eboue ebure eeeee egger egrem embee ember embog embro embue emeer emere emerg emmer emore emure eomer eorre erbbe erber erege erem- eremo erere ergo- eroge erome eroom eroor erore error erugo eubro eum-u euro- eurre gberg gberu geber gebre gebur geebo geere gegge gemer gemme gemre georg gerbe gerbo germe gerre gerum go-go go-oo gobbe gobbo gobeo gogro gogue gombe gombo gomer gomme gomor gomur goobo googe goore gorbe goree gorer gorge gorgo gorme gorre gouge goume goure grebe grebo greer grege gregg grego greme grgur groge grogg grome gromo groom groue grrrr grubb grube grume grumo grure gubbe gubbo guber gubru gueme guere guero gumbe gumbo gumer gummb gumme gummo guoge gurge guroo gurre gurro gurum gurur mbebe mbege mbere mbogo mboro mbube mburu mebbe meebo meego meemu meere meger megre membe memer memor mereg merer merge mergo mero- meroe merom meroo meror merre merur meuer meure meuro mmmmm mobee mobme mobor mobro moeer moeme moere moero mombo mombu momme momoe mooer moogo moore mooro morbo moree morem morer morge mormo moror morou morre morro morue morum moure mreru mrmom mrorr muger mugur mumbe mumbo mumme mummu mureu murgo murom muror murre murro murru murum o-r-b obegu oberg oboro oboue obreb obrom oerme oerum ogogo ogugu ombe- omber ombre omemo omero omore omoro oo-er ooooo orbom oreo- orere orero orgue ormer ormur orobe orobo oroer orome oromo orrgo orrum orube oruro oueme oumer ouoro oure- rebbe rebeg reber reege reeme reemo reere regem reger regge reggo regme regur remee remer remor remou remue reome reorg rere- reree rerob rerum reuer reume ro-ro robbe robbo rober robo- robor robur roero roger rogge rogue rombe romeo romer romme rooer rooge roome roomu roore rooue rorbu rorem rorer rouer rouge roume roumm roure rubee ruber rubor ruegg ruere ruger rugge rumbe rumbo rumer rummo rummu rumor ruomu uber- ubobo ubume ugro- ugrug umbe- umber umbre umbro umeer umeme umore umour uouee ureme ureo- urger uroob urour urubu uuuuu