arret raret arret raret rraet rraet arert raert aerrt earrt reart erart arert raert aerrt earrt reart erart rreat rreat rerat errat rerat errat arrte rarte arrte rarte rrate rrate artre ratre atrre tarre rtare trare artre ratre atrre tarre rtare trare rrtae rrtae rtrae trrae rtrae trrae aretr raetr aertr eartr reatr eratr arter rater atrer tarer rtaer traer aetrr eatrr aterr taerr etarr tearr retar ertar rtear trear etrar terar aretr raetr aertr eartr reatr eratr arter rater atrer tarer rtaer traer aetrr eatrr aterr taerr etarr tearr retar ertar rtear trear etrar terar rreta rreta rerta errta rerta errta rrtea rrtea rtrea trrea rtrea trrea retra ertra rtera trera etrra terra retra ertra rtera trera etrra terra
Note: these 'words' (valid or invalid) are all the permutations of the word arret. These words are obtained by scrambling the letters in arret.