<span class="searchmatch">parallellepipederna</span> definite plural of parallellepiped...
<span class="searchmatch">parallellepipedernas</span> definite genitive plural of parallellepiped...
definite parallellepipeden parallellepipedens plural indefinite parallellepipeder parallellepipeders definite <span class="searchmatch">parallellepipederna</span> <span class="searchmatch">parallellepipedernas</span>...