Read Write Inc phonics programme

[butterfly]

I used this teaching programme to teach reading when i was a teacher and want to use it again for my ds. Does anyone know the order they teach the letter sounds in? The first four are s,a,m,d but I can't remember what comes next!

[singingcactus]

m,a,s,d,t,
i,n,p,g,o,
c,k,u,b,
f,e,l,h, sh,
r,j,v,y,w,
th, z, ch, qu, x, ng, nk

[butterfly]

Thank you!!