fokto forno forro forto forur foton fotur fount fouro front froot frorn fruko frunt fruto ftrtt fu-fu funko fuorn furo- furor futon futur knokk knork knorr knott knout knuff knurr ko-ko kofun kokko kokor kokot kokou kokur kokut konno konnu konro konur koonu koorn kooru korff korku korno koron koror korro kortu koruk korun koton kotor kotto kottu kotur koufu kouno kouto krnuo kroft kronk kroon kroot kroun krout krtok kruft krunk kruto kruun kukko kukok kukur kunku kunur kurku kuruk kutno kuttu kutur nnooo no-no nofor nofou nofun nofut nokko nokon non-u nonno nonot noonu noort norok noron norro nortt norun notno noto- notof notok noton notto nourt nroff ntoro nu-nu nunon nunun nuoro nuruk nurun nuton nutuk offof offon offto offun ofono oforn ofoto ofour okkur okoro okrut okuku okuru onoff onont onoon onorn onoto onour onout onto- ontof ontoo ontur ooooo orfor orkut ornon ornot orono orout ortok orton ortoo oruku oruro orutu otoku otono ototo otour otrok ottur ouoro ourno outof outon outro outto ro-ro rofor rokkk rokon rokot rokto ronk- ronko ronno ronok ronto rooft rotko roto- roton rotor rotot rotto rotun rouko rount routt rt-rk ruffo rufo- runo- runof runon runto ruutu t-nut tntnt toffo tofor tokko toko- tokor tokuo tokur tono- tonof tonto torok toron torro torto tortu torun toto- totok toton totoo tourn touro troff troft tronk trono troon trott trout truff trunk truro ttttt tukur tunku tunon tuotu turko turku turn- turno turnt turnu turok turon turot turro turtu turut tutku tutor tutto tutun tuuru ufofu ufton uknof unfun unfur unkur unnun unnur unnut unoft unoor unorn unrun unurn urkun urkut urnok urour urutu utro- utror uttur uturn uturu ututo uuork uuuuu