Here is the list of all available LLLL.INs as of the scan done on February 26th, 2017.
The stats are:
CVCV Names Available: 0
VCVC Names Available: 7,801
AAAB Names Available: 7
ABBB Names Available: 24
ABAB Names Available: 2
AABB Names Available: 1
ABBA Names Available: 1
CHIP Names Available: 1,491
The trend graph is:
