Answer:

a) {j, k}

b) {g, i, j, k, l, m, o}

c) {g, h, i, j, l}

d) {l, n}

e) {g, h, i, j, k, l, m, n, o}

f) {g, i, k, l, m, n, o}

Step-by-step explanation:

Hope it helps! :) (sorry for the late answer tho. I was answering too.)