hilec ihlec hliec lhiec ilhec lihec hielc ihelc heilc ehilc iehlc eihlc hleic lheic helic ehlic lehic elhic ilehc liehc ielhc eilhc leihc elihc hilce ihlce hlice lhice ilhce lihce hicle ihcle hcile chile ichle cihle hlcie lhcie hclie chlie lchie clhie ilche liche iclhe cilhe lcihe clihe hiecl ihecl heicl ehicl iehcl eihcl hicel ihcel hciel chiel ichel cihel hecil ehcil hceil cheil echil cehil iechl eichl icehl ciehl ecihl ceihl hleci lheci helci ehlci lehci elhci hlcei lhcei hclei chlei lchei clhei hecli ehcli hceli cheli echli cehli lechi elchi lcehi clehi eclhi celhi ilech liech ielch eilch leich elich ilceh liceh icleh cileh lcieh clieh ieclh eiclh icelh cielh ecilh ceilh lecih elcih lceih cleih eclih celih
Note: these 'words' (valid or invalid) are all the permutations of the word hilec. These words are obtained by scrambling the letters in hilec.