The rules that use the category "<contact_type_nom-point_id_type_none-sing>" are:
<contact_type_nom-point_id_type_none-sing>
<digit-not_zero-sing> <contact_type_nom-point_id_type_none-sing>
<contact_type_nom-point_id_type_none-sing>
<digit-not_zero-sing> <contact_type_nom-point_id_type_none-sing>
<contact_type_nom-point_id_type_none-sing>
<digit-not_zero-sing> <contact_type_nom-point_id_type_none-sing>