spawl psawl sapwl aspwl paswl apswl spwal pswal swpal wspal pwsal wpsal sawpl aswpl swapl wsapl awspl waspl pawsl apwsl pwasl wpasl awpsl wapsl spalw psalw saplw asplw paslw apslw splaw pslaw slpaw lspaw plsaw lpsaw salpw aslpw slapw lsapw alspw laspw palsw aplsw plasw lpasw alpsw lapsw spwla pswla swpla wspla pwsla wpsla splwa pslwa slpwa lspwa plswa lpswa swlpa wslpa slwpa lswpa wlspa lwspa pwlsa wplsa plwsa lpwsa wlpsa lwpsa sawlp aswlp swalp wsalp awslp waslp salwp aslwp slawp lsawp alswp laswp swlap wslap slwap lswap wlsap lwsap awlsp walsp alwsp lawsp wlasp lwasp pawls apwls pwals wpals awpls wapls palws aplws plaws lpaws alpws lapws pwlas wplas plwas lpwas wlpas lwpas awlps walps alwps lawps wlaps lwaps
Note: these 'words' (valid or invalid) are all the permutations of the word spawl. These words are obtained by scrambling the letters in spawl.