1/4 cup Asian fish sauce
1 tablespoon honey
2 tablespoons sugar
1 teaspoon freshly ground pepper
6 scallions, white and tender green parts only, thinly sliced
2 garlic cloves, thinly sliced
1 1/2 pounds pork tenderloin, thinly sliced
Six 8-inch-long rolls or 2 baguettes, cut into 8-inch lengths and split
Hoisin sauce and Sriracha chile sauce
Vegetable oil, for grilling
1/2 seedless cucumber, cut into 2-by-1/2-inch matchsticks
1 1/2 loosely packed cups cilantro sprigs