rsabg srabg rasbg arsbg sarbg asrbg rsbag srbag rbsag brsag sbrag bsrag rabsg arbsg rbasg brasg abrsg barsg sabrg asbrg sbarg bsarg absrg basrg rsagb sragb rasgb arsgb sargb asrgb rsgab srgab rgsab grsab sgrab gsrab ragsb argsb rgasb grasb agrsb garsb sagrb asgrb sgarb gsarb agsrb gasrb rsbga srbga rbsga brsga sbrga bsrga rsgba srgba rgsba grsba sgrba gsrba rbgsa brgsa rgbsa grbsa bgrsa gbrsa sbgra bsgra sgbra gsbra bgsra gbsra rabgs arbgs rbags brags abrgs bargs ragbs argbs rgabs grabs agrbs garbs rbgas brgas rgbas grbas bgras gbras abgrs bagrs agbrs gabrs bgars gbars sabgr asbgr sbagr bsagr absgr basgr sagbr asgbr sgabr gsabr agsbr gasbr sbgar bsgar sgbar gsbar bgsar gbsar abgsr bagsr agbsr gabsr bgasr gbasr
Note: these 'words' (valid or invalid) are all the permutations of the word rsabg. These words are obtained by scrambling the letters in rsabg.