http://www.nona-cdc.com/SPEECH%20SOUND%20DEVELOPMENT%20CHART.pdf
Summary Speech Sound Development
AGE
2-2.6 Early p b m n w t d h
3.6-4.0 Middle k g f sh ch j
5.0 + years Late th r l v blends
http://www.nona-cdc.com/SPEECH%20SOUND%20DEVELOPMENT%20CHART.pdf
Summary Speech Sound Development
AGE
2-2.6 Early p b m n w t d h
3.6-4.0 Middle k g f sh ch j
5.0 + years Late th r l v blends