pales aples plaes lpaes alpes lapes paels apels peals epals aepls eapls pleas lpeas pelas eplas lepas elpas aleps laeps aelps ealps leaps elaps palse aplse plase lpase alpse lapse pasle apsle psale spale asple saple plsae lpsae pslae splae lspae slpae alspe laspe aslpe salpe lsape slape paesl apesl peasl epasl aepsl eapsl pasel apsel psael spael aspel sapel pesal epsal pseal speal espal sepal aespl easpl asepl saepl esapl seapl plesa lpesa pelsa eplsa lepsa elpsa plsea lpsea pslea splea lspea slpea pesla epsla psela spela espla sepla lespa elspa lsepa slepa eslpa selpa alesp laesp aelsp ealsp leasp elasp alsep lasep aslep salep lsaep slaep aeslp easlp aselp saelp esalp sealp lesap elsap lseap sleap eslap selap
Note: these 'words' (valid or invalid) are all the permutations of the word pales. These words are obtained by scrambling the letters in pales.