It is not possible to complete this schedule.

MFKP  BELO   CHIN   DGJA
MEIA  CGKO   BFJN   DHLP
MBCD  EFGH   IJKL   ANOP
CFLA  BGIP   DEKN   MHJO
MGLN  BHKA   CEJP   DFIO
 
ABCD  EFGH  IJLK  MNOP 
CFIP  AHLO  BGKN  DEJM
AEKP  BFLM  DHIN  CGJO
CELN  AGIM  BHJP  DFKO
CHKM  DGLP  AFJN  BEIO

It is not possible to complete this schedule.