msiga smiga misga imsga simga ismga msgia smgia mgsia gmsia sgmia gsmia migsa imgsa mgisa gmisa igmsa gimsa sigma isgma sgima gsima igsma gisma msiag smiag misag imsag simag ismag msaig smaig masig amsig samig asmig miasg imasg maisg amisg iamsg aimsg siamg isamg saimg asimg iasmg aismg msgai smgai mgsai gmsai sgmai gsmai msagi smagi masgi amsgi samgi asmgi mgasi gmasi magsi amgsi gamsi agmsi sgami gsami sagmi asgmi gasmi agsmi migas imgas mgias gmias igmas gimas miags imags maigs amigs iamgs aimgs mgais gmais magis amgis gamis agmis igams giams iagms aigms gaims agims sigam isgam sgiam gsiam igsam gisam siagm isagm saigm asigm iasgm aisgm sgaim gsaim sagim asgim gasim agsim igasm giasm iagsm aigsm gaism agism
Note: these 'words' (valid or invalid) are all the permutations of the word msiga. These words are obtained by scrambling the letters in msiga.