Just write a program for registering a domain name. You can expand it yourself. It's only three letters long.
<%
'Production: Mo Fei
'asp program production: http://mofei.xinxiu.com
b1="a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x ,y,z"
b2=split(b1,",")
for ii1=0 to ubound(b2)
for ii2=0 to ubound(b2)
for ii3=0 to ubound(b2)
response.write b2(ii1)&b2(ii2)&b2(ii3)&".com<br>"
next
next
next
%>
Use the results generated above, <500 copied to http://cn.dncom.com/domain/multi_domain_names_check.html
You can check whether domain names have been registered in batches