farls afrls frals rfals arfls rafls falrs aflrs flars lfars alfrs lafrs frlas rflas flras lfras rlfas lrfas arlfs ralfs alrfs larfs rlafs lrafs farsl afrsl frasl rfasl arfsl rafsl fasrl afsrl fsarl sfarl asfrl safrl frsal rfsal fsral sfral rsfal srfal arsfl rasfl asrfl sarfl rsafl srafl falsr aflsr flasr lfasr alfsr lafsr faslr afslr fsalr sfalr asflr saflr flsar lfsar fslar sflar lsfar slfar alsfr lasfr aslfr salfr lsafr slafr frlsa rflsa flrsa lfrsa rlfsa lrfsa frsla rfsla fsrla sfrla rsfla srfla flsra lfsra fslra sflra lsfra slfra rlsfa lrsfa rslfa srlfa lsrfa slrfa arlsf ralsf alrsf larsf rlasf lrasf arslf raslf asrlf sarlf rsalf sralf alsrf lasrf aslrf salrf lsarf slarf rlsaf lrsaf rslaf srlaf lsraf slraf
Note: these 'words' (valid or invalid) are all the permutations of the word farls. These words are obtained by scrambling the letters in farls.