What you’ve shared is a rhythmic, bottom-to-top tour of a standard QWERTY keyboard
It is, in fact, a complete traversal of a standard QWERTY keyboard’s three letter rows: zzxxccvvbbnnmm qqwweerrttyyuuiioopp aassddffgghhjjkkll
Similarly, bottom row normally has no letters after m , so fine. What you’ve shared is a rhythmic, bottom-to-top tour