arked raked akred kared rkaed kraed arekd raekd aerkd earkd reakd erakd akerd kaerd aekrd eakrd keard ekard rkead kread rekad erkad kerad ekrad arkde rakde akrde karde rkade krade ardke radke adrke darke rdake drake akdre kadre adkre dakre kdare dkare rkdae krdae rdkae drkae kdrae dkrae aredk raedk aerdk eardk readk eradk ardek radek adrek darek rdaek draek aedrk eadrk aderk daerk edark deark redak erdak rdeak dreak edrak derak akedr kaedr aekdr eakdr keadr ekadr akder kader adker daker kdaer dkaer aedkr eadkr adekr daekr edakr deakr kedar ekdar kdear dkear edkar dekar rkeda kreda rekda erkda kerda ekrda rkdea krdea rdkea drkea kdrea dkrea redka erdka rdeka dreka edrka derka kedra ekdra kdera dkera edkra dekra
Note: these 'words' (valid or invalid) are all the permutations of the word arked. These words are obtained by scrambling the letters in arked.