neun neuo neur neuu nfer nfff nfib nfon nheb nhnn nhon nibe nibi nibm nibo nief nien nieo nier nife niff nihe nihf niir niiu nimb nimh nimi nimo nimr nimu nine ninh nini nino nioh nion nioo niou nire niro niru niue niur nm-e nmff nmnh nmon nmri nnnn nobi nobm nobo nobu noem noer nofi nohn noho noib noie noif noin noio noir nom- nome nomi nomo nomu non- none noni nonn nono nonu noo- noob noon nooo noor nor- norb nore norf nori norm norn noro norr nouh noun nour nrem nren nron nube nubi nuee nuer nuff nuhi nuim nuin numb nume numi numm numu nune nunn nuno nuon nure nuri nurn nurr nuru o-eo obbo oben ober obie obin oboe oboi obon obor obre obrh obri obro obuh oeme oen- oeno oere oerm oeuf ofem ofen ofer off- offe offh offo offr offu ofme ofno ofor ofre ohbe ohee ohen oher ohhi ohho ohif ohio ohme ohne ohno ohob ohoh ohre ohrn ohum oier oiii oimb oime oion oire oium ombe ombo ombu omee omei omen omeo omer omie omim omin omio omn- omne omni omo- omoe omoi omon omoo omor omre omri omro omuo one- oneb onee oneh onei oneo oner onie onir onme onne onni onno onon onor onue onur oobe oobi ooer ooff ooho oome oone oooh oooo oore orbb orbe orbi orbo orbu ore- oreb oreh orem oren oreo orer orfe orff orfi orfu orhe ori- orie orif orin orio orme ormn ormo orne orni orno oro- oroe orof orom oron oror orri orro orub orum ouen ouer oufe ouff ouie ouii ouin ouir oume oumi oun- oune our- oure ourn ouro ouu- rbbb rbbr rboh rebb rebe rebo rebu reeb reef reem reen refe reff refi refn refr refu rehb rehe rehi rehm rehn reif reii reim rein reir reiu reme remi remn remo rene reni renn reno renu reof reou rere reri rero reru reue reuf reuu rfef rfem rheb rhee rhem rhen rheo rhib rhim rhin rhio rhob rhoh rhon rhue rhum rhun rib- ribe ribo ribu rief riem rien rier rieu rife riff rifu riho riif riin rime rimi rimm rimo rimu rine rinf rinn rino riom rion riou rire riri riue rmif rmon rnbr rnie rnin rob- robb robe robi robo robu roen roer rofe roff rofo rohe rohm rohn rohr rohu roif roin roio roir roiu romb rome romi romm romo rone roni rono roob roof rooi room roon roor rore rori roro roru roub roue rouf rouh roum roun rrif rrrr rrum rrun rubb rube rubi rubu ruen ruer rufe ruff rufo ruhe ruhh ruhi ruhm ruhn ruhr ruif ruin rumb rume rumi rumm rumo rune runf runi runn runo rure ruri ruro ruru ruun u-ie ubbe ubbi ubbo uber ubii ubir ubon uein ueir ueno ufer uffe uher uhno uhoh uhuh uirr umb- umbe umbi umbo umer umff ummo umno umoe umor umri unbe uneb unee unef unen uner uni- unie unif unii unin unio unir unmr unne unni unno unon unrf unro unum uofm uofo uomo uone uor- uore urbe urbi ure- ureh urfe urff urfi urho urib urie urif urim urin uriu urmi urne urni uro- urom uroo urre urrh urri urum urun urur uuen uuni uuno uuri uuuu