bbeak bbeak bebak ebbak bebak ebbak bbaek bbaek babek abbek babek abbek beabk ebabk baebk abebk eabbk aebbk beabk ebabk baebk abebk eabbk aebbk bbeka bbeka bebka ebbka bebka ebbka bbkea bbkea bkbea kbbea bkbea kbbea bekba ebkba bkeba kbeba ekbba kebba bekba ebkba bkeba kbeba ekbba kebba bbake bbake babke abbke babke abbke bbkae bbkae bkbae kbbae bkbae kbbae bakbe abkbe bkabe kbabe akbbe kabbe bakbe abkbe bkabe kbabe akbbe kabbe beakb ebakb baekb abekb eabkb aebkb bekab ebkab bkeab kbeab ekbab kebab bakeb abkeb bkaeb kbaeb akbeb kabeb eakbb aekbb ekabb keabb akebb kaebb beakb ebakb baekb abekb eabkb aebkb bekab ebkab bkeab kbeab ekbab kebab bakeb abkeb bkaeb kbaeb akbeb kabeb eakbb aekbb ekabb keabb akebb kaebb
Note: these 'words' (valid or invalid) are all the permutations of the word bbeak. These words are obtained by scrambling the letters in bbeak.