phelc hpelc pehlc ephlc heplc ehplc phlec hplec plhec lphec hlpec lhpec pelhc eplhc plehc lpehc elphc lephc helpc ehlpc hlepc lhepc elhpc lehpc phecl hpecl pehcl ephcl hepcl ehpcl phcel hpcel pchel cphel hcpel chpel pechl epchl pcehl cpehl ecphl cephl hecpl ehcpl hcepl chepl echpl cehpl phlce hplce plhce lphce hlpce lhpce phcle hpcle pchle cphle hcple chple plche lpche pclhe cplhe lcphe clphe hlcpe lhcpe hclpe chlpe lchpe clhpe pelch eplch plech lpech elpch lepch peclh epclh pcelh cpelh ecplh ceplh plceh lpceh pcleh cpleh lcpeh clpeh elcph lecph eclph celph lceph cleph helcp ehlcp hlecp lhecp elhcp lehcp heclp ehclp hcelp chelp echlp cehlp hlcep lhcep hclep chlep lchep clhep elchp lechp eclhp celhp lcehp clehp
Note: these 'words' (valid or invalid) are all the permutations of the word phelc. These words are obtained by scrambling the letters in phelc.