Select the letter-cluster that can replace the question mark (?) in the given letter-cluster series.
POUR, MLRO, IHNK, DCIF, ?
1
XWBY
2
XWCZ
3
YWCA
4
XVBZ
Select the letter-cluster that can replace the question mark (?) in the given letter-cluster series.
POUR, MLRO, IHNK, DCIF, ?