imrgs mirgs irmgs rimgs mrigs rmigs imgrs migrs igmrs gimrs mgirs gmirs irgms rigms igrms girms rgims grims mrgis rmgis mgris gmris rgmis grmis imrsg mirsg irmsg rimsg mrisg rmisg imsrg misrg ismrg simrg msirg smirg irsmg rismg isrmg sirmg rsimg srimg mrsig rmsig msrig smrig rsmig srmig imgsr migsr igmsr gimsr mgisr gmisr imsgr misgr ismgr simgr msigr smigr igsmr gismr isgmr sigmr gsimr sgimr mgsir gmsir msgir smgir gsmir sgmir irgsm rigsm igrsm girsm rgism grism irsgm risgm isrgm sirgm rsigm srigm igsrm gisrm isgrm sigrm gsirm sgirm rgsim grsim rsgim srgim gsrim sgrim mrgsi rmgsi mgrsi gmrsi rgmsi grmsi mrsgi rmsgi msrgi smrgi rsmgi srmgi mgsri gmsri msgri smgri gsmri sgmri rgsmi grsmi rsgmi srgmi gsrmi sgrmi
Note: these 'words' (valid or invalid) are all the permutations of the word imrgs. These words are obtained by scrambling the letters in imrgs.