Available four chars domains

As always, all of them were available at time of posting.
Some of them have results in the WayBack Machine too.

HHOF.ORG
AAA1.ORG
0BUG.ORG
XI4U.COM
D2E2.NET
7AGL.COM
YEEX.ORG
KEGF.ORG
TSJG.NET
P-IA.COM
MG54.COM
LYZ6.COM
L317.COM
ME79.COM
Q1CH.COM
ZR35.COM
ZL-W.COM
ZHDU.ORG
ZF35.COM
ZD99.NET
Z-IQ.NET
XQAR.NET
XJ45.COM
VNF5.COM
VE13.COM
T4O5.COM
S-NC.NET
K-K2.COM
JB89.COM
58IC.NET
58CA.COM
4LAS.ORG
4-45.COM
3JSF.NET