mobi.na
co.na
com.na
org.na

// name : has 2nd-level tlds, but there's no list of them
name

// nc : http://www.cctld.nc/
nc
asso.nc
nom.nc

// ne : https://en.wikipedia.org/wiki/.ne
ne

// net : https://en.wikipedia.org/wiki/.net
net

// nf : https://en.wikipedia.org/wiki/.nf
nf
com.nf
net.nf
per.nf
rec.nf
web.nf
arts.nf
firm.nf