lopps olpps lpops plops oplps polps lopps olpps lpops plops oplps polps lppos plpos lppos plpos pplos pplos oppls popls oppls popls ppols ppols lopsp olpsp lposp plosp oplsp polsp lospp olspp lsopp slopp oslpp solpp lpsop plsop lspop slpop pslop splop opslp poslp osplp soplp psolp spolp lopsp olpsp lposp plosp oplsp polsp lospp olspp lsopp slopp oslpp solpp lpsop plsop lspop slpop pslop splop opslp poslp osplp soplp psolp spolp lppso plpso lppso plpso pplso pplso lpspo plspo lsppo slppo pslpo splpo lpspo plspo lsppo slppo pslpo splpo ppslo ppslo psplo spplo psplo spplo oppsl popsl oppsl popsl pposl pposl opspl pospl osppl soppl psopl spopl opspl pospl osppl soppl psopl spopl ppsol ppsol pspol sppol pspol sppol
Note: these 'words' (valid or invalid) are all the permutations of the word lopps. These words are obtained by scrambling the letters in lopps.