If in a code language, DISTANCE is written as IDTUBECN and DOCUMENT is written as ODDVNTNE, the how will THURSDAY be coded as in the same language?

Decode Text Riddle

HTVSTYAD

DISTANCE = IDTUBECN
D and I are interchanged in position.
S, T and A are added with one position to form T, U, B respectively.
N, C and E are written in opposite order.

Thus in the same manner
THURSDAY= HTVSTYAD.