Sky: Words with the Short U

Sky: Words with the Short U is an installment in the Word Morph series.

Three Words

 * bug
 * buzz
 * fuzz

Four Words

 * tug
 * bug
 * bus
 * bust

Missing Letter
b__

b u g

Appearances

 * Episode 09: Fuzzy Wuzzy, Wuzzy?
 * Episode 49: But, Mama, But...