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f--k ffff ffrr fftf ffun fnuf fofo fono font foof fook foon foot for- fork forn foro forr fort foto fott foun four fout fron frot frou frun fuff fufu fukk fuko fuku funf funk funt fuor fur- furn furo furr furt futo futu kfff kffk kffn kfnf kfnk kfnn kfno kfok kfon kfoo kfor kfrn kfro kfrr kfru kftk kftt kftu kfun kfuo kfut kkfn kkfr kkft kkkk kknn kkno kknt kknu kkon kkoo kkor kkot kkrf kkrk kkrn kkro kkrr kkrt kktk kktu kkut kkuu knfo knfr knft knkk knkt knnk knnr knok knon knor knot knou knrk knro kntk kntn knto kntr kntu knuk knur knut koff kofk kofo koft kofu kokf kokk kokn koko kokr koku konk kono kont kook koon kooo koor koot koou korf kork korn koro korr kort koru kotk kotn koto kotr kott kotu kour kout kouu krff krfn krfo krft krkk krkn krko krkr krku krnk krnn krno krnt krnu krof krok kroo kror krrf krrk krrn krro krrr krrt krtk krtn krto krtr kruf kruk krun krur ktfn ktfo ktkk ktkn ktko ktkr ktkt ktku ktnf ktnk ktnn ktno ktnt ktok kton ktoo ktor ktot ktrf ktrk ktrn ktro ktrr ktrt ktru kttf kttk kttn ktto kttr kttt kttu ktuf ktun kuff kufn kufo kufr kukk kukn kuku kunk kuno kunr kunt kunu kuok kuon kuoo kurk kuro kurr kurt kuru kutf kuto kutr kutt kutu kuuk kuur kuuu nfff nfon nfto nknt nkok nkor nkrf nktr nnnn nnot nntn noko non- nonn nono nont nonu noo- nook noon nooo noor noot nor- norf nork norn noro norr nort not- noto nott noun nour nout nron ntnu ntof ntru ntto nttr nuff nuku nunk nunn nuno nunt nuon nurn nurr nurt nuru nutt nutu nuuk off- offo offr offu ofno ofor okko okno okok okon okor okot okro okto okun okur onno onon onor ont- onto onur onut ooff ooku oont oooo oort orff orfu orko orno oro- orof orok oron oror orot orro orto oto- otof otok oton otoo otor otro otto ottu otur ouff oun- our- ourn ouro ourt out- outo ouu- rkkf rnnt rnot rnut roff rofo rokk roko rokr roku ronk rono ront roof rook roon roor root rork roro rort roru rotk rotn roto rotr rott rouf rouk roun rout rrrr rrun rtkn ruff rufo ruft rukk rukn ruku runf runk runn runo runt ruok ruro ruru ruto rutt rutu ruun tfot tkof tkon tnut toff tofo toft tofu toko toku tonk tonn tono tonu toof took toon toor toot torf tork torn toro torr tort toru toto totr tott touk toun tour tout trfr trno tron troo trot trou trtr truk trun trut truu ttff ttfn tton tttt tuff tufo tuft tufu tuko tunk tunn tuno tunu tuor turf turk turn turo turr turt turu tuto tutt tutu tuuo ufuk ukko ukok ukon ukur unkn unko unno unon unrf unro unto unut uofo uor- urff urft uro- urok uroo uruk urun urur urut utfo utor utto uttu uuno uutf uuuu

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