Choose or find odd letter group - GIJK , DFGH , CEFG , ABCD

D. ABCD

Choose or find odd letter group - ACE , PRT , UWY , MNO , GIK

D. MNO

Choose or find odd letter group - BYX , LPO , EVU , FUT , IRQ

B. LPO

Choose or find odd letter group - ADG , PSV , SUW , CFI , TWZ

C. SUW

Choose or find odd letter group - BDH , IKP , QSW , TVZ , PRV

B. IKP