nall nalu nan- nana nanb nane nang nann nanu nara nare narf narg narn narr naru naue naul naur nbaa nbaf nbar nber nbfa nbfl nbuf neab neaf neal nean near neau neba nebb nebe nebn nebr nebu neea neeb neef neel neen neer nefa nefe neff nefl nega nege nela nele nelf nell nena nene neng nenu nera nere nerf nerl nerr neru neua neue neuf neun neur neuu nfaa nfer nfff nfra ngab ngan ngef ngen nger ngur nguu nlab nler nlgn nlra nlrb nngn nnnn nrab nren nrlb nrna nrrl nuan nuba nube nubl nuee nuel nuer nuff nule null nuna nune nung nunn nura nure nurl nurn nurr nuru raab raaf raag raan raba rabb rabe rabl rabu raef raeg rael raen raer rafa rafe raff raga rage ragg ragu rala ralb rale ralf rall rana rane rang rann rara rarb rare rarf raua raub raue rauf raul raun rbaf rbbb rbbr rble rea- reae reaf real rean rear reau reba rebb rebe rebu reeb reef reel reen refe reff refg refl refn refr refu rega rege regl regn regr regu rela relb rele rell rena rene reng renn renu rera rere rerg reru reue reuf reul reuu rfae rfef rffl rgan rgba rgbe rlab rlee rlef rleu rlua rlug rnaf rnag rnal rnbr rrle rrna rrrr rrun ruag ruan ruba rubb rube rubu ruel ruen ruer rufa rufe ruff ruga ruge rugg rula rule rull runa rune runf rung runn rura rure ruru ruun uafa uang uaru uaua ubal ubar ubba ubbe uber ubla uble ubra ueba uefa uele uell ufag ufel ufer uffa uffe ufra ugab ugal ugar ugne ugra ugur uguu ulaa ulae ulan ular ulea uleb ulee ulen ulfe ulla ulle ullr ulna ulne ulua ulul unaa unal unan unar unau unbe uneb unee unef unen uner unga ungu unle unlf unna unne unra unrf ural uran urau urba urbe ure- urea urfa urfe urff urga urge urgu urla urle urna urne urra urre urun urur uuen uulu uuuu