gists igsts gsits sgits isgts sigts gitss igtss gtiss tgiss itgss tigss gstis sgtis gtsis tgsis stgis tsgis istgs sitgs itsgs tisgs stigs tsigs gisst igsst gsist sgist isgst sigst gisst igsst gsist sgist isgst sigst gssit sgsit gssit sgsit ssgit ssgit issgt sisgt issgt sisgt ssigt ssigt gitss igtss gtiss tgiss itgss tigss gists igsts gsits sgits isgts sigts gtsis tgsis gstis sgtis tsgis stgis itsgs tisgs istgs sitgs tsigs stigs gstsi sgtsi gtssi tgssi stgsi tsgsi gssti sgsti gssti sgsti ssgti ssgti gtssi tgssi gstsi sgtsi tsgsi stgsi stsgi tssgi sstgi sstgi tssgi stsgi istsg sitsg itssg tissg stisg tsisg isstg sistg isstg sistg ssitg ssitg itssg tissg istsg sitsg tsisg stisg stsig tssig sstig sstig tssig stsig
Note: these 'words' (valid or invalid) are all the permutations of the word gists. These words are obtained by scrambling the letters in gists.