f--k ffff ffss fftf ffun fnuf fssf fuff fufu fukk fuku funf funk funs funt fusk fuss fust fusu futs futu kfff kffk kffn kfnf kfnk kfnn kfns kfsk kfst kftk kftt kftu kfun kfut kkfn kkfs kkft kkkk kknn kkns kknt kknu kksf kksn kkss kkst kksu kktk kkts kktu kkus kkut kkuu knft knkk knkt knnk knns knsk knsn knss knst knsu kntk kntn knts kntu knuk knus knut ksfn ksft kskf kskk kskn ksks ksku ksnf ksnk ksnn ksns ksnt kssn ksss ksst kssu kstk kstn ksts kstt kstu ksun ksut ksuu ktfn ktfs ktkk ktkn ktks ktkt ktku ktnf ktnk ktnn ktns ktnt ktsf ktsn ktst ktsu kttf kttk kttn ktts kttt kttu ktuf ktun kuff kufn kukk kukn kuks kuku kunk kuns kunt kunu kusf kusn kust kusu kutf kuts kutt kutu kuuk kuuu nfff nfsu nknt nnnn nnss nntn nsfk nsfs nskk nssf nsss nsts nstu ntfs ntnu ntsf ntss ntsu nuff nuku nunk nunn nuns nunt nuss nust nusu nuts nutt nutu nuuk sfnt sfss sfsu sfts skn- skss skun skut snfu snns snus ssns sssf ssss ssts stfn stfu stks stnn stns stsf stss stuf stuk stun stus stut suf- suff sufs sufu suks suku sun- sunk sunn suns sunt sunu sus- susk suss sust susu sutu suus tfss tkts tnks tnts tnut tsks tssf tsst tsts tsun ttff ttfn ttss tttt tuff tuft tufu tuks tunk tunn tuns tunu tusk tuss tust tuts tutt tutu ufuk unkn unks unns uns- unst unts unus unut us-k usfs usnu ussf usss usst ussu usts usun usus uttu uutf uuuu