100
5
DBACE
DBACE
DBACE
DBACE
DBACE
DBACE
DBACE
DBACE
DBACE
DBACE
DBACE
DBACE
DBACE
DBACE
DBACE
DBACE
DBACE
DBACE
DBACE
DBACE
DBACE
DBACE
DBACE
DBACE
DBACE
DBACE
DBACE
DBACE
DBACE
DBACE
DBACE
DBACE
DBACE
DBACE
DBACE
DBACE
DBACE
DBACE
DBACE
DBACE
DBACE
DBACE
DBACE
DBACE
DBACE
DBACE
DBACE
DBACE
DBACE
BECAD
BECAD
BECAD
BECAD
BECAD
BECAD
BECAD
BECAD
BECAD
BECAD
BECAD
BECAD
BECAD
BECAD
BECAD
BECAD
BECAD
BECAD
BECAD
BECAD
BECAD
BECAD
BECAD
BECAD
BECAD
BECAD
BECAD
BECAD
BECAD
BECAD
BECAD
BECAD
BECAD
BECAD
BECAD
BECAD
BECAD
BECAD
BECAD
BECAD
BECAD
BECAD
BECAD
BECAD
BECAD
BECAD
BECAD
BECAD
ABECD
ABECD
ABECD