O ___! My ___!

All words relate to the concept of 'O ___! My ___!'

Think about what these words have in common

Look for the Spangram - it often reveals the theme

Theme words range from 4 to 10 letters long

Each theme word starts with a different letter

The Spangram might be a compound or phrase (7 letters total)

One word: C______ (6 letters, starts with 'C')

Another word: H______ (4 letters)

Also look for: K______ (8 letters)