shrep hsrep srhep rshep hrsep rhsep sherp hserp sehrp eshrp hesrp ehsrp srehp rsehp serhp esrhp reshp ershp hresp rhesp hersp ehrsp rehsp erhsp shrpe hsrpe srhpe rshpe hrspe rhspe shpre hspre sphre pshre hpsre phsre srphe rsphe sprhe psrhe rpshe prshe hrpse rhpse hprse phrse rphse prhse shepr hsepr sehpr eshpr hespr ehspr shper hsper spher psher hpser phser sephr esphr spehr psehr epshr peshr hepsr ehpsr hpesr phesr ephsr pehsr sreph rseph serph esrph resph ersph srpeh rspeh spreh psreh rpseh prseh seprh esprh sperh pserh epsrh pesrh repsh erpsh rpesh presh eprsh persh hreps rheps herps ehrps rehps erhps hrpes rhpes hpres phres rphes prhes heprs ehprs hpers phers ephrs pehrs rephs erphs rpehs prehs eprhs perhs
Note: these 'words' (valid or invalid) are all the permutations of the word shrep. These words are obtained by scrambling the letters in shrep.