barky abrky braky rbaky arbky rabky bakry abkry bkary kbary akbry kabry brkay rbkay bkray kbray rkbay krbay arkby rakby akrby karby rkaby kraby baryk abryk brayk rbayk arbyk rabyk bayrk abyrk byark ybark aybrk yabrk bryak rbyak byrak ybrak rybak yrbak arybk raybk ayrbk yarbk ryabk yrabk bakyr abkyr bkayr kbayr akbyr kabyr baykr abykr byakr ybakr aybkr yabkr bkyar kbyar bykar ybkar kybar ykbar akybr kaybr aykbr yakbr kyabr ykabr brkya rbkya bkrya kbrya rkbya krbya bryka rbyka byrka ybrka rybka yrbka bkyra kbyra bykra ybkra kybra ykbra rkyba kryba rykba yrkba kyrba ykrba arkyb rakyb akryb karyb rkayb krayb arykb raykb ayrkb yarkb ryakb yrakb akyrb kayrb aykrb yakrb kyarb ykarb rkyab kryab rykab yrkab kyrab ykrab
Note: these 'words' (valid or invalid) are all the permutations of the word barky. These words are obtained by scrambling the letters in barky.