Find the missing group of alphabets in the following series.
YXZ, XWY, (...), VUW, UTV, TSU

Correct option is A

The Following patterns is followed-
Y →(-1) X →(-1) W→(-1) V→(-1) U→(-1)T
X→(-1) W→(-1) V→(-1) U→(-1) T→(-1) S
Z →(-1) Y →(-1) X →(-1) W→(-1) V→(-1) U
Therefore, correct option is (a).