Solution:For first letter of each word :
A + 1 = B, B + 1 = C, C + 1 = D
For second letter of each word : U + 2 = W, W + 2 = Y, Y + 2 = A
For third letter of each word : R + 1 = S, S + 1 = T, T + 1 = U
For fourth letter of each word : T + 2 = V, V + 2 = X, X + 2 = Z
So, we get : DAUZ