guffs ugffs gfufs fgufs ufgfs fugfs guffs ugffs gfufs fgufs ufgfs fugfs gffus fgfus gffus fgfus ffgus ffgus uffgs fufgs uffgs fufgs ffugs ffugs gufsf ugfsf gfusf fgusf ufgsf fugsf gusff ugsff gsuff sguff usgff sugff gfsuf fgsuf gsfuf sgfuf fsguf sfguf ufsgf fusgf usfgf sufgf fsugf sfugf gufsf ugfsf gfusf fgusf ufgsf fugsf gusff ugsff gsuff sguff usgff sugff gfsuf fgsuf gsfuf sgfuf fsguf sfguf ufsgf fusgf usfgf sufgf fsugf sfugf gffsu fgfsu gffsu fgfsu ffgsu ffgsu gfsfu fgsfu gsffu sgffu fsgfu sfgfu gfsfu fgsfu gsffu sgffu fsgfu sfgfu ffsgu ffsgu fsfgu sffgu fsfgu sffgu uffsg fufsg uffsg fufsg ffusg ffusg ufsfg fusfg usffg suffg fsufg sfufg ufsfg fusfg usffg suffg fsufg sfufg ffsug ffsug fsfug sffug fsfug sffug
Note: these 'words' (valid or invalid) are all the permutations of the word guffs. These words are obtained by scrambling the letters in guffs.