Here are the lists for the following tiers:
Ubers:
http://www.smogon.com/dp/tiers/uber
Over Used (OU):
http://www.smogon.com/dp/tiers/ou
Borderline (BL):
http://www.smogon.com/dp/tiers/bl
Under Used (UU):
http://www.smogon.com/dp/tiers/uu
Never Used (NU):
http://www.smogon.com/dp/tiers/nu
Now, unless the request says otherwise, You sick with your tier, and any tier under it.
Have fun Battling
Ubers:
http://www.smogon.com/dp/tiers/uber
Over Used (OU):
http://www.smogon.com/dp/tiers/ou
Borderline (BL):
http://www.smogon.com/dp/tiers/bl
Under Used (UU):
http://www.smogon.com/dp/tiers/uu
Never Used (NU):
http://www.smogon.com/dp/tiers/nu
Now, unless the request says otherwise, You sick with your tier, and any tier under it.
Have fun Battling