Analysis of information sources in references of the Wikipedia article "Assuwa" in English language version.
assuwa pylos "aswia" = Linear B A-si-wi-ja
Aswiai ; recorded several times at Knossos , Pylos , and Mycenae ; evidently refers to women from the region called Assuwa
It was political instability of this kind, not just in Assuwa but all along the Aegean coast, that the Mycenaeans were able to exploit. One fragmentary letter mentions Assuwa and Ahhiyawa together, implying that the rebellion of Assuwa may have been supported by the Mycenaeans. Another (ambiguous) letter says 'the king of Ahhiyawa withdrew or retreated' or someone 'relied on the king of Ahhiyawa', so the Mycenaean king was either leading his army in Anatolia or supporting rebellion from afar.