kufo kufr kuke kukk kukn kuku kune kunk kuno kunr kunu kuok kuon kuoo kurb kure kurk kuro kurr kuru kuub kuuk kuur kuuu nbbo nber nbuf nebb nebe nebn nebo nebr nebu neeb neef neen neer nefe neff neke neko neku nene neno nenu neo- neon neoo nere nerf nerk nero nerr neru neue neuf neuk neun neuo neur neuu nfer nfff nfon nkok nkor nkrf nnnn nobo nobu noer noke noko non- none nonn nono nonu noo- noob nook noon nooo noor nor- norb nore norf nork norn noro norr noun nour nren nron nube nubk nuee nuer nuff nuke nuku nune nunk nunn nuno nuon nure nurn nurr nuru nuuk o-eo obbo oben ober obkb oboe obok obon obor obre obro oen- oeno oere oeuf ofek ofen ofer off- offe offo offr offu ofno ofor ofre oken oker okko okno okok okon okor okre okro okun okur one- oneb onee onek oneo oner onne onno onon onor onue onur oobe ooer ooff ooku oone oooo oore orbb orbe orbo orbu ore- oreb orek oren oreo orer orfe orff orfu orke orko orne orno oro- oroe orof orok oron oror orro orub ouen ouer oufe ouff oun- oune our- oure ourn ouro ouu- rbbb rbbr rebb rebe rebk rebo rebu reeb reef reek reen refe reff refn refr refu reke reko rene renk renn reno renu reof reou rere rero reru reue reuf reuk reuu rfef rkkf rnbr rob- robb robe robo robu roen roer rofe roff rofo roke rokk roko rokr roku rone ronk rono roob roof rook roon roor rore rork roro roru roub roue rouf rouk roun rrrr rrun rubb rube rubu ruen ruer rufe ruff rufo ruke rukk rukn ruku rune runf runk runn runo ruok rure ruro ruru ruun ubbe ubbo ubek uber ubon ueno ufer uffe ufuk ukek ukeu ukko ukok ukon ukur unbe uneb unee unef unen uner unke unkn unko unne unno unon unrf unro uofo uoke uone uor- uore urbe ure- urfe urff urke urne uro- urok uroo urre uruk urun urur uuen uuno uuuu

b-r-k bbbee bbook be-er be-ro bebek beber beebe beeke beene beffe befoe befor befur beken beker bekke bekko bekok bene- benfe benke benko benne benno bennu benon benue benuk benun benur beofe beoff beone beorn beour berbe berek beren berk- berke berko berne berno berob beroe berok beror berre berru berun beuer beuno beure bkorn bo-bo bobek bobko bobok bobr bobre boeke boero boeuf boeun boeur boffo boken bokeo boker bokko bokok bokor bokun boner bonke bonne bonon bonou booer booke booko boone boonk boore boorn booru borbo boree borek boren borer borko borku born- borne borno bornu boro- borok boron boroo borou borre borro borun bouee bouer bouke bouko boune boure bourn brebu breef breek breen breer breke brene brenk brenn breno breo- brere breu- brobo broek broer broke bronk bronn brook broon broue brouk broun brrrr bruen bruer bruff bruke brune brunk brunn bruno bruun bubbe buben buber bubon bueno buffe buffo buker bukk- buknu bukor bunke bunko bunne bunuk bunun buono burek buren burke burn- burne buron buroo burro burru buruk burun e-one ebber ebeko ebene ebern ebner ebone ebook eboon eboue ebron ebure eeeee eener efere effer efore efren efron efuru ekeko ekene ekker ekren ekron ekuku ekuru enbun eneko enero enfer enfeu enker enkor enku ennor enone enore enorn enron enuff enure enurn eofen eofor eorne eorre erbbe erben erber ereen erere erkko ernen erone eroor erore erron error eruke eubro eunoe euro- eurre febre feeor feere fefor fenek fener feneu fenne fenno fenoe fenor feoff feren ferno feron ferr- ferre ferro feuer foken fokke foner fonne foone foore fore- foren foreo forne forno forro forur fouee fouke fourb foure fouro freek freer freke frenk freon frere freur frobe frore frorn fruko fu-fu fuero funen funke funko fuorn furbo furen furo- furor k-one k-rob kebbe kebek keben keber kebob keefe keene keeno keere kefee keneo kenko kenku kenne keno- kerek keren kerne kernu keron kerre kneen knero knoke knokk knork knorr knoue knuff knurr ko-ko kobee kober kobru kobuk kobun koeru kofun koken koker kokko kokor kokou kokre kokur konbu koner konne konno konnu konoe konro konur koonu koorn kooru korbe korbo korek koren korff korke korku korne korno koron koror korro korue koruk korun kouer koufu kouno koure kre-o kreef kreek kreke krenn kreo- kreon kreuk krnuo kroke krone kronk kroon kroun krunk kruun kubek kuben kuber kubok kukko kukok kukur kunek kunen kuner kunku kunne kunur kurbu kurek kuren kurku kurne kurre kuruk nebek neber nebro neere nefen nefer neffe nefre neker nekor nekro nenno neofe neore nerbo neree nereo neron nerre nerur neuen neuer neueu neune neuou neur- neure neuro nfrkb nkubu nnebe nnooo no-no nobbe nobob noboe nobre nobuo noekk noerr nofee nofor nofou nofun noken noker nokko nokon non-u nonne nonno noone noonu norbu noren norne norok noron norro norun nouke noune nroff nu-nu nueno nuker nunon nunun nuoro nure- nurek nuruk nurun o-bon o-fer o-r-b oboro oboue obreb obren obrne obrok oefun oeno- oenoe offek offen offer offof offon offre offun ofken ofone ofono oforn ofour okeke okene okere okker okkur okobo okoro okubo okuku okuru onebe onene oneno oneof oneok oneon oneor onere onero onken onne- onnen onoff onone onoon onore onorn onour oo-er ooooo oouen oreo- orere orero orfeo orfeu orfoe orfor orken ornee ornek ornon orobe orobo oroer oroke orono orube oruku orune oruro ouene ouoro oure- ouren ourne ourno rebbe reber rebon rebun reefe reene reere refen refer reffe reffo refne reken rekke rekne rekon rekun renee rener renfe renke renko renku renne renno reno- renou reone rere- reree rerob rerun reuen reuer reune ro-ro robbe robbo roben rober robo- robon robor robun robur roero roffe rofor rokee roker rokke rokkk rokon ronee ronen roneo ronk- ronke ronko ronne ronno ronok rooer roofe rooke roone roore rooue rorbu rorer rorke rouen rouer roufe rouke rouko roune roure rubee ruben ruber rubke rubof rubon rubor ruere rueun ruffe ruffo rufo-