leers elers leers elers eelrs eelrs leres elres lrees rlees erles reles leres elres lrees rlees erles reles eerls eerls erels reels erels reels leesr elesr leesr elesr eelsr eelsr leser elser lseer sleer esler seler leser elser lseer sleer esler seler eeslr eeslr eselr seelr eselr seelr lerse elrse lrese rlese erlse relse lesre elsre lsere slere eslre selre lrsee rlsee lsree slree rslee srlee ersle resle esrle serle rsele srele lerse elrse lrese rlese erlse relse lesre elsre lsere slere eslre selre lrsee rlsee lsree slree rslee srlee ersle resle esrle serle rsele srele eersl eersl eresl reesl eresl reesl eesrl eesrl eserl seerl eserl seerl ersel resel esrel serel rseel sreel ersel resel esrel serel rseel sreel
Note: these 'words' (valid or invalid) are all the permutations of the word leers. These words are obtained by scrambling the letters in leers.