Available four chars domains

As always all of them were available at time of posting:

jw7j.com
109x.com
jx3g.net
jx3s.com
jybs.net
qzyu.net
aibj.net
11-l.com
k-3d.net
545w.com
cfgz.net
r1a1.net
r2qq.net
115t.com
k897.com
118z.net
zxgm.net
ki-1.com
aaxt.org
600u.net