Which of the following groups of alphabets should replace the blank space so that the group of alphabets, given in bold, follow a logical pattern from the preceding and the following group of alphabets?
a b _ y
a b c _ x w
a b c d e v _
(1) z, d, u
(2) d, x, u
(3) c, d, u
(4) z, y, w
(5) c, d, w