Here is the list of all available LLLL.INs as of the scan done on September 16th, 2016.
Here are the stats:
Available: 245,212
CVCV Names Available: 0
VCVC Names Available: 7,892
AAAB Names Available: 0
ABBB Names Available: 0
ABAB Names Available: 0
AABB Names Available: 0
ABBA Names Available: 26
CHIP Names Available: 818
The trend graph is: