There are seven vowels, the scale consists of seven strings, the Pleiades are seven, at seven animals lose their teeth (at least some do, though some do not), and the champions who fought against Thebes were seven.
Zazpi dira bokalak, zazpi harmoniaren sokak, zazpi dira Pleiadeak, zazpi urte betetzean hortzak 15) erortzen zaizkie (animalia batzuei, beste batzuei, ordea, ez), zazpi izan ziren Tebasen kontra.