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