Four. O, double-u and e.
A carb-o-rater
Student: H, I, J, K, L, M, N, O. Teacher: That's not what I taught you. Student: But you said the formula for water was...H to O.
Smiles - because there is a mile between the first and last letters
I'd prefer if you included tigress
I need to do a vowel movement!
Remove the vowels in his rack.