“The visible world, with its teeming creatures, is none other than the word transpired,” - Jacob Bohme

All things arise out of combinations or rearrangements of these four letters.
the four letters of the Tetragrammaton and the Four Worlds:
the י is associated with Atziluth,
the first ה with Beri'ah,
the ו with Yetzirah,
and final ה with Assiah.