Rayyan has shown improvement in the speech department even though there are still many sounds that he still cannot make (eg d, g, h, j, k, l, r, t, v, z). It is also very difficult for him to initiate a conversation but PECS has helped us to teach him to request for things that he wants. With the use of PECS, he can consciously request in full 3-word sentence. And sometimes when he really wants something, he can request without referring to his PECS :D
Here's Rayyan requesting for bubbles :)