Hard disagree here.
Graves - Marino is the perfect compliment to the other two pairings, by playing shut down minutes and coming out relatively even. Allows the other two pairings to thrive. I don’t think you mess with that pairing at all.
Unfortunately, that means that Hamilton and Severson are the RD on the other two pairings. The need for Hughes on either pairing isn’t a necessity, so you definitely have to go Bahl/Siegenthaler instead.
There’s maybe a case to go 11/7 with regularity if you have centers in Hischier, Hughes, Mercer, Haula, Boqvist, and maybe Sharangovich to fill in between Wood-Bastian, but I can’t justify taking out any of the top six for Luke.