Four. O, double-u and e.
Where o where are you tonight? Why did you leave me here all alone? I searched the world over and thought I found some one You met a zombie and pblblthpth you were gone.
One had to P.
You are the banner of my existence.
Purrfect
Remove the vowels in his rack.
Because the host gets confused when they say "I'd to buy a vowel eh."