Accessory bench and overhead : kroc rows, barbell rows, weighted chins, lat pulldown, face pulls, DB raises, rear delt flye, pendlay rows, weighted dips, DB bench, incline DB bench, pushups, close grip bench, Jm press, pushdowns ect.
Squat and deadlift accessory: good mornings, rdl's, leg press, lunges, leg ext, leg curl, front squats, pause squats, reverse hypers, calf raises /press.
ABS. -pick em
Your choices are endless really. Pick lifts that contribute to the overall improvent of your core lift. I like to work in planes ex) vertical push/pull. Horizontal push/pull.