When writing English we use the 26
letters of the alphabet. However, when speaking there are roughly
44 different sounds in English. These sounds are called phonemes.If
you're concentrating on the sounds of English, you need 44
characters to represent them all. One way of doing this is to use
the 'phonemic alphabet', which has some extra characters to
represent the sounds in English for which there is no clear
equivalent letter or letters.
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