Correct option is D
From the given Option-
(a) ocdd
C od/ co d/c ddcod (Sequence not followed)
(b) doco
C dd/ oo cc odcod (Sequence not followed)
(c) ooco
C od/ oo cc odcod (Sequence not followed)
(d) ocdo
C od/ co d/c od/cod (Sequence followed)
Corect answer is (d) ocdo