saris asris srais rsais arsis rasis sairs asirs siars isars aisrs iasrs srias rsias siras isras risas irsas ariss raiss airss iarss riass irass sarsi asrsi srasi rsasi arssi rassi sasri assri ssari ssari assri sasri srsai rssai ssrai ssrai rssai srsai arssi rassi asrsi sarsi rsasi srasi saisr asisr siasr isasr aissr iassr sasir assir ssair ssair assir sasir sisar issar ssiar ssiar issar sisar aissr iassr asisr saisr isasr siasr srisa rsisa sirsa isrsa rissa irssa srsia rssia ssria ssria rssia srsia sisra issra ssira ssira issra sisra rissa irssa rsisa srisa isrsa sirsa ariss raiss airss iarss riass irass arsis rasis asris saris rsais srais aisrs iasrs asirs sairs isars siars risas irsas rsias srias isras siras
Note: these 'words' (valid or invalid) are all the permutations of the word saris. These words are obtained by scrambling the letters in saris.