Twitter response:

Speech Sound Milestones

Speech Sound Milestones

Sounds: M, N, H, P, F, W, T

Sounds: J (as in yellow), SH, K, D, B, G
Sounds: R, L

Sounds: S, CH

Sounds: TH (voiceless) as in thin V

Sounds: TH (voiced) as in the J (as in jack), Z