They operate together with phonograms. Some spelling rules explain wherever a specific phonogram is employed or which audio a phonogram will make. And so the scribes altered the letter U to an O. What: This term has a part that could’t be decoded – the phoneme doesn’t match the grapheme. https://stephenqnhcx.liberty-blog.com/32954984/the-ultimate-guide-to-spelling-mistakes-in-english