These are all general password policy "best practices", and typically result in users using something along the lines of
FuC|Kj0017GUy-1
FuC|Kj0017GUy-2
FuC|Kj0017GUy-3
Or, for users who are lazier (read: most of them), you get:
S3P-2k12
0c7-2k12
n0V-2k12