lchea clhea lhcea hlcea chlea hclea lceha cleha lecha elcha celha eclha lheca hleca lehca elhca helca ehlca chela hcela cehla echla hecla ehcla lchae clhae lhcae hlcae chlae hclae lcahe clahe lache alche calhe aclhe lhace hlace lahce alhce halce ahlce chale hcale cahle achle hacle ahcle lceah cleah lecah elcah celah eclah lcaeh claeh laceh alceh caleh acleh leach elach laech alech ealch aelch cealh ecalh caelh acelh eaclh aeclh lheac hleac lehac elhac helac ehlac lhaec hlaec lahec alhec halec ahlec leahc elahc laehc alehc ealhc aelhc healc ehalc haelc ahelc eahlc aehlc cheal hceal cehal echal hecal ehcal chael hcael cahel achel hacel ahcel ceahl ecahl caehl acehl eachl aechl heacl ehacl haecl ahecl eahcl aehcl
Note: these 'words' (valid or invalid) are all the permutations of the word lchea. These words are obtained by scrambling the letters in lchea.