Set 1 Speed Sounds lessons focus on:

Sounds written with one letter
m a  s  d  t  i  n  p  g  o  c  k  u  b  f  e  l  h  r  j  v  y  w  z  x and sounds written with two letters: sh  th ch
qu  ng  nk ck (special friends)

Words containing these sounds, by sound-blending
e.g. m–a–t mat, c–a–t cat, g–o–t got, f–i–sh fish, s–p–o–t  spot, b–e–s–t  best, s–p–l–a–sh splash

Blending Books and Red, Green and Purple Storybooks

See the sound mat for Set 1 Speed Sounds below: