derat edrat dreat rdeat erdat redat deart edart daert adert eadrt aedrt draet rdaet daret adret radet ardet eradt readt eardt aerdt raedt aredt derta edrta dreta rdeta erdta redta detra edtra dtera tdera etdra tedra drtea rdtea dtrea tdrea rtdea trdea ertda retda etrda terda rteda treda deatr edatr daetr adetr eadtr aedtr detar edtar dtear tdear etdar tedar dater adter dtaer tdaer atder tader eatdr aetdr etadr teadr atedr taedr drate rdate darte adrte radte ardte drtae rdtae dtrae tdrae rtdae trdae datre adtre dtare tdare atdre tadre ratde artde rtade trade atrde tarde eratd reatd eartd aertd raetd aretd ertad retad etrad terad rtead tread eatrd aetrd etard teard aterd taerd rated arted rtaed traed atred tared
Note: these 'words' (valid or invalid) are all the permutations of the word derat. These words are obtained by scrambling the letters in derat.