This can make learning to spell the words quite tricky! Watch this short video to see some more examples of silent letter words. Vowel sounds are made by the letters 'a', 'e', 'i', 'o' and 'u'.

I digress. So English, with its constantly odd spelling rules, has a lot of these double letters, or digraphs, that are often put together to make one sound. Some of these sounds, or phones – yes, ...