Select the letter-cluster that can replace the question mark (?) in the following series.
RAB, TDG, VGL, ? , ZMV

RAB, TDG, VGL, ? , ZMV

First letter of the each word + 2 gives the consequent first letter of the next term

Second letter of the each word + 3 gives the consequent second letter of the next term

Third letter of the each word + 5 gives the consequent third letter of the next term

RAB ==> R+2 A+3 B+5 ==> TDG

TDG ==> T+2 D+3 G+5 ==> VGL

VGL ==> V+2 G+3 L+5 ==> XJQ

XJQ ==> X+2 J+3 Q+5 ==> ZMV

RAB, TDG, VGL, XJQ , ZMV