b-r-k bbbee bbgun be-er bebek beber beebe beeke beene begee begge begue begun begur beken beker bekke bene- benge bengu benke benne bennu benue benuk benun benur berbe bereg berek beren berge berk- berke berne berre berru berun beuer beure brebu breek breen breer breg- brege bregg breke brene breng brenk brenn brere breu- brrrr bruen bruer bruge brugg bruke brune brung brunk brunn bruun bubbe buben buber bugen buger bugge bugre bugun buker bukk- buknu bunge bungu bunke bunne bunuk bunun burek buren burge burgk burgu burke burn- burne burru buruk burun ebber ebene eberg ebern ebner ebure eeeee eener egene eggen egger eggng egner egrek ekene ekker ekren ekuku ekuru enbun engen enger enker enku enrge enugu enure enurn erbbe erben erber ereen erege erere ergen ergun ernen eruke eugen eurre gbeke gberg gberu geben geber gebke gebre gebur geere gegge genbu gener genge genre gerbe geren gerke gerre grebe greek green greer grege gregg grene greng grenn grgen grgur grrrr grubb grube grune grunk grure gubbe guben guber gubru guene guere guern gugen guner gunge gungu gunne gunnr guren gurge gurke gurne gurre gurun gurur k-gee k-gun kebbe kebek keben keber keene keere kegen kenge kenku kenne kerek keren kergu kerne kernu kerre kneen knurr kreek kreke kreng krenn kreuk kruge krunk kruun kubek kuben kuber kugur kukur kunek kunen kuner kungu kunku kunne kunur kurbu kurek kuren kurku kurne kurre kuruk nebek neber neere negeb neger negre negru negun negur neker neree nerre nerur neuen neuer neueu neune neur- neure ngege ngeue ngugu ngure nguru nkubu nnebe nu-nu nuker nunge nunun nure- nurek nuruk nurun rebbe rebeg reber rebun reege reene reere regen reger regge regne regur reken rekke rekne rekun renee reneg rener renge rengg renke renku renne rere- reree rerun reuen reuer reune rubee ruben ruber rubke ruegg ruere rueun rugen ruger rugge ruken rukke runer runge rungu runne ubeen uber- ueken ugene ugrug ukeke ukuug unger ungur unken unker unkur unnun unnur unrug unrun unurn urger urgun urker urkun urubu uuuuu