4.1 Phonemes and allophones – Essentials of Linguistics, 2nd edition

These pre-schoolers already realise that the monster sounds (phonemes) can be represented by lots of 'sound pics' (letters) as they can explore their own name. So the 'Au' represents the same sound as the first sound in the word 'orange'! He would have to wait about 2 years to learn this if taught phonics at school. Look at the phonics program used at your child's school and see when they are explicitly taught 'au' is a spelling choice alongside 'o' for orange! | Word Mapping with Speech Sound P

Brain implants, software guide speech-disabled person’s intended words to computer screen