>>44731848They did, but it lead no where. It was just so showcase that they touched up the Unown content along with the Suicune sidequest.
Realistically, neither Suicune's lore nor Unown's lore make any sense to be connected. One is a strange species that twists radio waves and had some connection to an ancient civilization, the other was the north wind embodied into a resurrected soul in an entirely different city.
Trying to put them together would just feel force since they don't really have any connections, neither in their history or thematically.