I think some of these wall combos have already been found but I'm not sure if they're listed here.
223, j3, 123, b23~slide = 38%/41%
223, j3, 123, b23~super = 51%/53%
223, j3, 123, b23 (BE), super = 50%/53%
223, j3, 123, b23 (BE), b3 (stage transition) = ~50%/52%
b23, 123, b23~slide = 39%/42%
b23, 123, b23~super = 56%/57%
b23, 123, b23 (BE), super = 57%/58%
b23, 123, b23 (BE), b3 (stage transition) = ~55%/56%
MB straight grapple, j2, 223, j3, 123, b23~slide = 39%
MB straight grapple, j2, 223, j3, 123, b23 (BE), b3 (stage transition) = ~49%
112~MB straight grapple, j2, 223, j3, 123, b23 (BE), b3 (stage transition) = ~52%/54%
112~MB straight grapple, j2, 223, j3, 123, b23~slide = 44%/46%