These are the Set 2 Speed Sounds:
ay ee igh ow (as in blow) oo (as in zoo)
oo (as in look) ar or air ir ou (as in out) oy
These are Set 3 Speed Sounds:
ea (as in tea)
oi (as in spoil)
a–e (as in cake)
i–e (as in smile)
o–e (as in home)
u–e (as in huge)
aw (as in yawn)
are (as in care)
ur (as in nurse)
er (as in letter)
ow (as in brown)
ai (as in snail)
oa (as in goat)
ew (as in chew)
ire (as in fire)
ear (as in hear)
ure (as in pure)