Did you know that there are NINE ways of pronouncing these four letters ‘ough’ in British English?
This sentence contains all of them: ‘A rough-coated, dough-faced, thoughtful ploughman strode through the streets of Scarborough; after falling into a slough, he coughed and hiccoughed.’
You can search for these words on the Cambridge Dictionary website and listen to their pronunciation: http://dictionary.cambridge.org/