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'.
The house I own had a Subzero refrigerator that quit working. It was in a size that is no longer made. Since the house had a Subzero, at the urging of my parents, I ordered a Subzero from Tri-Supply.