Word pairs are used so the child learns semantic as well as motoric differences between the phonemes for minimal opposition contrast approach.
A phoneme is the smallest unit of sound that distinguishes one phrase from some other word in a language. A Grapheme is a symbol used to perceive a phoneme; it is a letter or group of letters representing the sound.
A phoneme is a speech sound. it's the smallest unit of sound that distinguishes one word from some other. due to the fact that sounds cannot be written, we use letters to represent or stand for the sounds.
Learn more about phonemes here:- https://brainly.com/question/7618756
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