hrrkrkrwpfrbrbrbrlablblblblblblblwhitoo'ap
If we accept the definition of a word is some letters, surrounded by a gap, then this is a perfectly applicable word.
"...then 'xnopyt', 'aaaaaaajjjjjjjjj', and 'hrrkrkrwpfrbrbrbrlablblblblblblblwhitoo'ap', are all words, despite being pretty much meaningless."