Select the combination of letters which when sequentially placed in the blanks of the given letter series will complete the series.
hi _ ki _ k _ j _ _ m _ _ m _ lm _
1
m, j, k, l, n, o, j, k, l, m
2
l, i, j, l, m, l, j, k, l, m
3
n, j, m, o, j, k, k, j, o
4
j, j, l, k, l, k, l, n, n