sk

This blend is used at the beginning and end of words and syllables and says: /sk/, /sk/, /sk/ skill.
When spelling, it may be helpful to remember that blend SK is often used for the /sk/ sound if it is followed by vowels Y, I, or E. Exceptions include skull, skunk, skate, skulk, skort, and ska. If uncertain, look it up.
/sk/
sk
sc
Reveal
sch
Reveal
sk