Yes, if you enable the Passepartout feature in the Settings and configuration section. If this feature is disabled, all access codes must be different.
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<% if (previousArticle) { %>
<% } %>
<% if (previousTitle) { %>
<% } %>
<% if (nextArticle) { %>
<%= previousTitle %>
<% } %> <%= previousArticle.title %>
<% if (nextTitle) { %>
<% } %>