#JavaScript, Z (90) bytes
for(i=65,b=66;i<91;i++,b=b<90?++b:65)console.log(Array(14).join(String.fromCharCode(i,b))) 2 of 4
deleted 32 characters in body 
user48510
#JavaScript, Z (90) bytes
for(i=65,b=66;i<91;i++,b=b<90?++b:65)console.log(Array(14).join(String.fromCharCode(i,b)))