Articulation Development

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Age Beginning of the Word Middle of the Word End of the Word
2 years /b/, /d/, /h/, /m/, /n/,/p/ /b/, /m/, /n/ /m/, /p/
3 years /f/, /g/, /k/, /t/, /w/ /f/,/g/,/k/,  ”ng”, /p/,/t/ /b/, /d/, /g/,/k/, /n/,/t/
4 years /kw/ /d/ /f/
5 years “ch”, “j”, /l/, /s/, “sh”, “y”, /bl/ “ch”, “j”, /l/, /s/, “sh”, /z/ /l/, “ng”, “ch”, “j”, /s/, “sh”, /r/, /v/, /z/
6 years /r/, /v/, /br/, /dr/, /fl/, /fr/, /gl/, /gr/, /kl/, /kr/, /pl/, /st/, /tr/ /r/, /v/
7 years /z/, /sl/, /sp/, /sw/, voice “th”, voiceless “th” Voiced “th” Voiceless “th”
8 years Voiceless “th”