Solution: Track each position by alphabet index:
1st letters: K(11), M(13), O(15), Q(17) → $+2$ ⇒ next S(19).
2nd letters: J(10), M(13), P(16), S(19) → $+3$ ⇒ next V(22).
3rd letters: R(18), P(16), N(14), L(12) → $-2$ ⇒ next J(10).
So the term is $\boxed{\text{SVJ}}$.