aberth ebg anferth a anterth eg ceiniogwerth eb certh a,eg coelcerth eb corberth eb cydnerth a cydwerth a cyfanwerth a,eg cyfnerth a,eg cyfwerth a cymerth bf didrafferth a dimeiwerth eb dinerth a diwerth a diymadferth a gwerth bf,eg marchnerth eg mawrwerth eg nerth eg perth eb pridwerth eg prydferth a serth a trafferth eg ymadferth eg