turfy utrfy trufy rtufy urtfy rutfy tufry utfry tfury ftury uftry futry trfuy rtfuy tfruy ftruy rftuy frtuy urfty rufty ufrty furty rfuty fruty turyf utryf truyf rtuyf urtyf rutyf tuyrf utyrf tyurf yturf uytrf yutrf tryuf rtyuf tyruf ytruf rytuf yrtuf urytf ruytf uyrtf yurtf ryutf yrutf tufyr utfyr tfuyr ftuyr uftyr futyr tuyfr utyfr tyufr ytufr uytfr yutfr tfyur ftyur tyfur ytfur fytur yftur ufytr fuytr uyftr yuftr fyutr yfutr trfyu rtfyu tfryu ftryu rftyu frtyu tryfu rtyfu tyrfu ytrfu rytfu yrtfu tfyru ftyru tyfru ytfru fytru yftru rfytu frytu ryftu yrftu fyrtu yfrtu urfyt rufyt ufryt furyt rfuyt fruyt uryft ruyft uyrft yurft ryuft yruft ufyrt fuyrt uyfrt yufrt fyurt yfurt rfyut fryut ryfut yrfut fyrut yfrut
Note: these 'words' (valid or invalid) are all the permutations of the word turfy. These words are obtained by scrambling the letters in turfy.