<span class="searchmatch">pipiarnos</span> infinitive of pipiar combined with nos...
pipiarte pipiarle, pipiarse <span class="searchmatch">pipiarnos</span> pipiaros pipiarles, pipiarse accusative pipiarme pipiarte pipiarlo, pipiarla, pipiarse <span class="searchmatch">pipiarnos</span> pipiaros pipiarlos, pipiarlas...