softa osfta sfota fsota ofsta fosta sotfa ostfa stofa tsofa otsfa tosfa sftoa fstoa stfoa tsfoa ftsoa tfsoa oftsa fotsa otfsa tofsa ftosa tfosa sofat osfat sfoat fsoat ofsat fosat soaft osaft saoft asoft oasft aosft sfaot fsaot safot asfot fasot afsot ofast foast oafst aofst faost afost sotaf ostaf stoaf tsoaf otsaf tosaf soatf osatf saotf asotf oastf aostf staof tsaof satof astof tasof atsof otasf toasf oatsf aotsf taosf atosf sftao fstao stfao tsfao ftsao tfsao sfato fsato safto asfto fasto afsto stafo tsafo satfo astfo tasfo atsfo ftaso tfaso fatso aftso tafso atfso oftas fotas otfas tofas ftoas tfoas ofats foats oafts aofts faots afots otafs toafs oatfs aotfs taofs atofs ftaos tfaos fatos aftos tafos atfos
Note: these 'words' (valid or invalid) are all the permutations of the word softa. These words are obtained by scrambling the letters in softa.