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