Boston: If the Capitals beat the Rangers and the Devils beat the Hurricanes. (And the Caps would play the Devils. 1 vs 4; 2 vs 3.)
Washington: If the Capitals beat the Rangers and the Hurricanes beat the Devils. (And the Bruins would play the Canes. 1 vs 6; 2 vs 4.)
New Jersey: If the Rangers beat the Capitals and the Devils beat the Hurricanes. (And the Bruins would play the Rangers. 1 vs 7; 3 vs 4.)
Carolina: If the Rangers beat the Capitals and the Hurricanes beat the Devils. (And the Bruins would play the Rangers. 1 vs 7; 4 vs 6.)
(Notice that it’s not possible for the Penguins to meet the Rangers next. If the Rangers beat the Caps, they’ll face the Bruins and the Pens will play the Canes-Devils winner.)