f--k ffff ffrr fftf ffun fltk fluf flur fnuf frun ft-l fuff fufu fukk fuku fulk full fulu funf funk funt fur- furl furn furr furt futu kfff kffk kffn kflf kfll kfln kflt kfnf kfnk kfnl kfnn kfrn kfrr kfru kftk kftt kftu kful kfun kfut kkfn kkfr kkft kkkk kklf kkll kkln kknn kknt kknu kkrf kkrk kkrl kkrn kkrr kkrt kktk kktl kktu kkut kkuu klff klfn klft klkk klkl klkn klkr kllk klnn klnt klrf klrk klrn klrr klru kltf kltk kltn kltr kltt kluf kluk klun klur kluu knfl knfr knft knkk knkt knlf knlr knlt knnk knnr knrk kntk kntn kntr kntu knuk knur knut krff krfn krft krkk krkn krkr krku krlf krln krlt krnk krnn krnt krnu krrf krrk krrl krrn krrr krrt krtk krtn krtr kruf kruk krul krun krur ktfl ktfn ktkk ktkn ktkr ktkt ktku ktlf ktlk ktln ktlr ktlt ktlu ktnf ktnk ktnl ktnn ktnt ktrf ktrk ktrl ktrn ktrr ktrt ktru kttf kttk kttn kttr kttt kttu ktuf ktul ktun kuff kufn kufr kukk kukl kukn kuku kulf kull kuln kult kulu kunk kunr kunt kunu kurk kurl kurr kurt kuru kutf kutr kutt kutu kuuk kuul kuur kuuu llll lnnk lrrr ltnt lttr luff luft lufu lull lulu lunk lunn lunt lurk lurt luuk nfff nknt nkrf nktr nnnn nntn nrrl nrtl ntfl ntnu ntrl ntru nttr nuff nuku null nunk nunn nunt nurl nurn nurr nurt nuru nutt nutu nuuk rffl rkkf rnnt rnut rrrr rrun rtkn rtlt ruff ruft rukk rukn ruku rulk rull runf runk runn runt ruru rutl rutt rutu ruun tnfl tnut trfr trtr truk trun trut truu ttff ttfn tttt ttul tuff tuft tufu tulk tull tulu tunk tunn tunu turf turk turn turr turt turu tutl tutt tutu ufuk ukur ulft ullr ultt uluk ulul unkl unkn unlf unrf unut urff urft uruk urun urur urut uttu uulu uutf uuuu