Trudgill Peter9, i yexdem di temdint Norwich, di Breṭanya deg useggas 1974, tasastant-a terza asusru, ad naf daɣen tasastant iga Lopes Morales deg tegzirt n Porto Rico, ɣef wamek tga tmuɣli n yimdanen ɣef usesru n yineɣ aleqqaq /r/ s tesbenyulit i d-yellan deg useggas 1974.