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f--k ffff ffrr fftf flok floo flor flot flou fltk fluf fluo flur fofo folk foll folo folr folt foof fook fool foot for- fork forl foro forr fort foto fott foul four fout frol frot frou ft-l fuff fufu fukk fuko fuku fulk full fulu fuor fur- furl furo furr furt futo futu k-lo kfff kffk kflf kfll kflo kflt kfok kfoo kfor kfro kfrr kfru kftk kftt kftu kful kfuo kfut kkfr kkft kkkk kklf kkll kklo kkol kkoo kkor kkot kkrf kkrk kkrl kkro kkrr kkrt kktk kktl kktu kkut kkuu klff klft klkk klkl klko klkr kllk klok klol kloo klor klou klrf klrk klrr klru kltf kltk klto kltr kltt kluf kluk klur kluu koff kofk kofo koft kofu kokf kokk koko kokr koku kolf kolk koll kolo kolr kolt kolu kook kool kooo koor koot koou korf kork korl koro korr kort koru kotk koto kotr kott kotu koul kour kout kouu krff krfo krft krkk krko krkr krku krlf krlt krof krok krol kroo kror krrf krrk krrl krro krrr krrt krtk krto krtr kruf kruk krul krur ktfl ktfo ktkk ktko ktkr ktkt ktku ktlf ktlk ktlo ktlr ktlt ktlu ktok ktoo ktor ktot ktrf ktrk ktrl ktro ktrr ktrt ktru kttf kttk ktto kttr kttt kttu ktuf ktul kuff kufo kufr kukk kukl kuku kulf kull kulo kult kulu kuok kuol kuoo kurk kurl kuro kurr kurt kuru kutf kuto kutr kutt kutu kuuk kuul kuur kuuu llll lloo loff loft lokk loko loll lolo loof look lool loor loot lork loro lotl loto lotr lott louk loul lour lout louu lrrr lttr luff luft lufu luko lull lulu lurk lurt luuk off- offo offr offu ofor okko oklo okok okol okor okot okro okto okul okur ollo olof olor olot oltu olur ooff ooku oolo oooo oort orff orfu orko orlo orlu oro- orof orok oror orot orro orto oto- otof otok otoo otor otro otto ottu otur ouff oulk oulu our- ouro ourt out- outo ouu- rffl rkkf roff rofl rofo rokk roko rokr roku rolf rolk roll rolo rolt roof rook rool roor root rork roro rort roru rotk rotl roto rotr rott rouf rouk roul rout rrrr rtlt ruff rufo ruft rukk ruku rulk rull rulo ruok ruro ruru rutl ruto rutt rutu tfot tkof tkol toff tofo toft tofu toko toku tol- tolk toll tolo tolt tolu toof took tool toor toot torf tork toro torr tort toru toto totr tott touk toul tour tout trfr troo trot trou trtr truk trut truu ttff tttt ttul tuff tufo tuft tufu tuko tulk tull tulo tulu tuor turf turk turo turr turt turu tutl tuto tutt tutu tuuo ufuk ukko ukok ukur ulft ullo ullr ulo- ulto ultt uluk ulul uofl uofo uor- urff urft uro- urok urol uroo uruk urur urut utfo utor utto uttu uulu uutf uuuu

floko flook floor floro floru floto flour flout fluff fluo- fluor flurr flurt fokto follo forro forto forur fotur fouro froot fruko fruto ftrtt fu-fu fullf fullo furo- furor futur kloof kloot klout ko-ko kokko kokor kokot kokou kokur kokut kolff kollo kollu kolol kolot kolur kolut koolu kooru korff korku korol koror korro kortu koruk kotor kotto kottu kotur koufu koulo kouto kroft kroll kroot krout krtok kruft krull kruto kukko kukok kukur kullo kullu kulor kulto kulul kulur kurku kurlu kuruk kutlu kuttu kutur lofou lokot lokur lollo lolol looft lookf lookt loruk lorut lotof lotor lotru lotto louro lukko lukok lukou lukut lulul lutol lutto offof offto ofoto ofour okfol okkur okoro okrut okuku okuru ollur olotu olour ooooo orfor orful orkut orlok orolu orout ortok ortoo oruku oruro orutu otoku otolo ototo otour otrok ottur otulu oullo ouoro ourol outof outro outto ro-ro rofor rokkk rokot rokto rolfo rollo rolok rooft rotfl rotko roto- rotol rotor rotot rotto rouko roulk roull routt rt-rk ruffo rufo- rufol rullo rutul ruutu toffo tofol tofor tokko toko- tokol tokor tokuo tokur tolko tollo toloo tolor tolu- toluk toolt torok torro torto tortu torul toto- totok totoo toull touro troff troft troll trott troul trout truff