grist rgist girst igrst rigst irgst grsit rgsit gsrit sgrit rsgit srgit gisrt igsrt gsirt sgirt isgrt sigrt risgt irsgt rsigt srigt isrgt sirgt grits rgits girts igrts rigts irgts grtis rgtis gtris tgris rtgis trgis gitrs igtrs gtirs tgirs itgrs tigrs ritgs irtgs rtigs trigs itrgs tirgs grsti rgsti gsrti sgrti rsgti srgti grtsi rgtsi gtrsi tgrsi rtgsi trgsi gstri sgtri gtsri tgsri stgri tsgri rstgi srtgi rtsgi trsgi strgi tsrgi gistr igstr gsitr sgitr isgtr sigtr gitsr igtsr gtisr tgisr itgsr tigsr gstir sgtir gtsir tgsir stgir tsgir istgr sitgr itsgr tisgr stigr tsigr ristg irstg rsitg sritg isrtg sirtg ritsg irtsg rtisg trisg itrsg tirsg rstig srtig rtsig trsig strig tsrig istrg sitrg itsrg tisrg stirg tsirg
Note: these 'words' (valid or invalid) are all the permutations of the word grist. These words are obtained by scrambling the letters in grist.