f--k ffff ffss ffun fnuf fssf fuff fufu fukk fuku funf funk funs fusk fuss fusu kfff kffk kffn kfnf kfnk kfnn kfns kfsk kfun kkfn kkfs kkkk kknn kkns kknu kksf kksn kkss kksu kkus kkuu knkk knnk knns knsk knsn knss knsu knuk knus ksfn kskf kskk kskn ksks ksku ksnf ksnk ksnn ksns kssn ksss kssu ksun ksuu kuff kufn kukk kukn kuks kuku kunk kuns kunu kusf kusn kusu kuuk kuuu nfff nfsu nnnn nnss nsfk nsfs nskk nssf nsss nuff nuku nunk nunn nuns nuss nusu nuuk sfss sfsu skn- skss skun snfu snns snus ssns sssf ssss suf- suff sufs sufu suks suku sun- sunk sunn suns sunu sus- susk suss susu suus ufuk unkn unks unns uns- unus us-k usfs usnu ussf usss ussu usun usus uuuu