pilch iplch plich lpich ilpch lipch piclh ipclh pcilh cpilh icplh ciplh plcih lpcih pclih cplih lcpih clpih ilcph licph iclph cilph lciph cliph pilhc iplhc plihc lpihc ilphc liphc pihlc iphlc philc hpilc ihplc hiplc plhic lphic phlic hplic lhpic hlpic ilhpc lihpc ihlpc hilpc lhipc hlipc pichl ipchl pcihl cpihl icphl ciphl pihcl iphcl phicl hpicl ihpcl hipcl pchil cphil phcil hpcil chpil hcpil ichpl cihpl ihcpl hicpl chipl hcipl plchi lpchi pclhi cplhi lcphi clphi plhci lphci phlci hplci lhpci hlpci pchli cphli phcli hpcli chpli hcpli lchpi clhpi lhcpi hlcpi chlpi hclpi ilchp lichp iclhp cilhp lcihp clihp ilhcp lihcp ihlcp hilcp lhicp hlicp ichlp cihlp ihclp hiclp chilp hcilp lchip clhip lhcip hlcip chlip hclip
Note: these 'words' (valid or invalid) are all the permutations of the word pilch. These words are obtained by scrambling the letters in pilch.