De or het paardenmond?

The correct Dutch article is:

de paardenmond

How to use paardenmond

the paardenmondde paardenmond
this paardenmonddeze paardenmond
that paardenmonddie paardenmond
our paardenmondonze paardenmond
your paardenmondjouw paardenmond
every paardenmondelke paardenmond
which paardenmond?welke paardenmond?
a big paardenmond / the big paardenmondeen grote paardenmond, de grote paardenmond