ngai ngan ngia ngri ngtn ngur nguu niab nial nian niau nibi nigg nigt niia niir niit niiu nila nili nill nilt nilu nina ning nini ninl nira nirt niru nita nitb niti nitr niur nlab nlat nlgn nlra nlrb nngn nnit nnnn nntn nrab nrlb nrna nrrl nrta nrtl ntia ntla ntnu ntrl ntru nttr ntui nuan nuba nubi nubl nuin nuit nuli null nuna nung nunn nunt nura nuri nurl nurn nurr nurt nuru nutt nutu raab raag raan raat raba rabb rabi rabl rabu raga ragg ragi ragu raia raig raii rail rain rair rait raiu rala ralb rall ralt rana rang rani rann rant rara rarb rari rata rati ratt ratu raua raub raul raun raut rbbb rbbr rgan rgba rgbi rgit rgtr riaa riab riai rial rian riat riau rib- riba ribu riga rigg rigi rigu riia riin rila rill rilu rina ring rinn riri rita riti ritl ritt ritu rlab rlin rlua rlug rnag rnai rnal rnbr rnin rnli rnnt rnut rrat rrna rrrr rrun rtai rtan rtlt ruag ruan ruba rubb rubi rubu ruga rugg rugi ruin ruit rula rull runa rung runi runn runt rura ruri ruru ruta ruti rutl rutt rutu ruun taa- taag taal taan taar taat taba tabb tabi tabl tabu taga tagg tagi tagu taia taig tail tain tair tait tala tali tall talu tana tang tani tann tant tanu tara tarb targ tari tarn tarr tart taru tata tatb tati tatr tatt tatu taua taub taul taur taut tbar tbil tbit tbrb tbta tiaa tiab tial tian tiar tiba tibi tibu tiga tigi tigr tiit tiiu tila till tiln tilr tilt tina ting tini tinn tint tinu tira tirb tiri tirl tirr tiru tita titi titt titu tlli tnag tnla tnut traa trab trag trai tral tran trat trau tri- tria trib trig tril trin trit trna trng trra trtr trub trug trun trut truu ttab ttbb tttt ttul tual tuan tuar tuat tuba tubb tubr tubu tuga tugg tugu tuig tuil tuin tuit tuiu tula tuli tull tulu tuna tunb tung tuni tunn tunu tura turb turg turi turn turr turt turu tuta tuti tutl tutt tutu uair uang uart uaru uata uatu uaua ubal ubar ubba ubbi ubii ubir ubit ubla ubli ubra ugab ugal ugar uggt ugia ugli ugni ugra ugri ugta ugur uguu uint uira uirr ulaa ulai ulan ular ulla ulli ullr ulna ulta ulti ultt ulua ulul unaa unai unal unan unar unat unau unga ungu uni- unia unii unin unir unit unna unni unra untb unut urai ural uran urat urau urba urbi urga urgi urgu uria urib urin uriu urla urna urni urra urri urun urur urut utai utal utan utau utia util utin utri utti uttu utug uulu uuni uuri uuta uuuu