leses elses lsees slees esles seles leess eless leess eless eelss eelss lsees slees leses elses seles esles esels seels eesls eesls seels esels lesse elsse lsese slese eslse selse lesse elsse lsese slese eslse selse lssee slsee lssee slsee sslee sslee essle sesle essle sesle ssele ssele leess eless leess eless eelss eelss leses elses lsees slees esles seles leses elses lsees slees esles seles eesls eesls esels seels esels seels lsese slese lesse elsse selse eslse lssee slsee lssee slsee sslee sslee lesse elsse lsese slese eslse selse sesle essle ssele ssele essle sesle esesl seesl eessl eessl seesl esesl essel sesel essel sesel sseel sseel eessl eessl esesl seesl esesl seesl sesel essel sseel sseel essel sesel
Note: these 'words' (valid or invalid) are all the permutations of the word leses. These words are obtained by scrambling the letters in leses.