Find the missing number / letters / word from the given alternative: AYBZC, DWEXF, GUHVI, JSKTL, ?

Answer: Option B

Ist letter : A + 3 = D + 3 = G + 3 = J + 3 = M
2nd letter : Y - 2 = W - 2 = U - 2 = S - 2 = Q
3rd letter : B + 3 = E + 3 = H + 3 = K + 3 = N
4th letter : Z - 2 = X - 2 = V - 2 = T - 2 = R
5th letter : C + 3 = F + 3 = I + 3 = L + 3 = O