ehspn hespn eshpn sehpn hsepn shepn ehpsn hepsn ephsn pehsn hpesn phesn esphn sephn epshn peshn spehn psehn hspen shpen hpsen phsen sphen pshen ehsnp hesnp eshnp sehnp hsenp shenp ehnsp hensp enhsp nehsp hnesp nhesp esnhp senhp enshp neshp snehp nsehp hsnep shnep hnsep nhsep snhep nshep ehpns hepns ephns pehns hpens phens ehnps henps enhps nehps hneps nheps epnhs penhs enphs nephs pnehs npehs hpnes phnes hnpes nhpes pnhes nphes espnh sepnh epsnh pesnh spenh psenh esnph senph ensph nesph sneph nseph epnsh pensh enpsh nepsh pnesh npesh spneh psneh snpeh nspeh pnseh npseh hspne shpne hpsne phsne sphne pshne hsnpe shnpe hnspe nhspe snhpe nshpe hpnse phnse hnpse nhpse pnhse nphse spnhe psnhe snphe nsphe pnshe npshe
Note: these 'words' (valid or invalid) are all the permutations of the word ehspn. These words are obtained by scrambling the letters in ehspn.