usicg suicg uiscg iuscg siucg isucg uscig sucig ucsig cusig scuig csuig uicsg iucsg ucisg cuisg icusg ciusg sicug iscug sciug csiug icsug cisug usigc suigc uisgc iusgc siugc isugc usgic sugic ugsic gusic sguic gsuic uigsc iugsc ugisc guisc igusc giusc siguc isguc sgiuc gsiuc igsuc gisuc uscgi sucgi ucsgi cusgi scugi csugi usgci sugci ugsci gusci sguci gsuci ucgsi cugsi ugcsi gucsi cgusi gcusi scgui csgui sgcui gscui cgsui gcsui uicgs iucgs ucigs cuigs icugs ciugs uigcs iugcs ugics guics igucs giucs ucgis cugis ugcis gucis cguis gcuis icgus cigus igcus gicus cgius gcius sicgu iscgu scigu csigu icsgu cisgu sigcu isgcu sgicu gsicu igscu giscu scgiu csgiu sgciu gsciu cgsiu gcsiu icgsu cigsu igcsu gicsu cgisu gcisu
Note: these 'words' (valid or invalid) are all the permutations of the word usicg. These words are obtained by scrambling the letters in usicg.