Yes actually there is
Simply add the runes to the rune circle, some of them will of course go "in", but the ones that hit an already filled spot will break. Eventually all the runes will get filled, then you can build the AW (in your case the EE), as soon as it is finished building, you can sell it again, the rune circle will be empty and you can start over again.
This is a very common technique to use rune shards for AWs that are not wanted and turn them into broken shards to fill the AWs you actually want.