ragis argis rgais grais agris garis raigs arigs riags irags airgs iargs rgias grias rigas irgas giras igras agirs gairs aigrs iagrs giars igars ragsi argsi rgasi grasi agrsi garsi rasgi arsgi rsagi sragi asrgi sargi rgsai grsai rsgai srgai gsrai sgrai agsri gasri asgri sagri gsari sgari raisg arisg riasg irasg airsg iarsg rasig arsig rsaig sraig asrig sarig risag irsag rsiag sriag israg sirag aisrg iasrg asirg sairg isarg siarg rgisa grisa rigsa irgsa girsa igrsa rgsia grsia rsgia srgia gsria sgria risga irsga rsiga sriga isrga sirga gisra igsra gsira sgira isgra sigra agisr gaisr aigsr iagsr giasr igasr agsir gasir asgir sagir gsair sgair aisgr iasgr asigr saigr isagr siagr gisar igsar gsiar sgiar isgar sigar
Note: these 'words' (valid or invalid) are all the permutations of the word ragis. These words are obtained by scrambling the letters in ragis.