Student 1, Teacher 0

Student 1, finishing up a word puzzle before class: 
Mr. Long, are there any words you can make out of the letters F, F, O? 

Me: 
Umm...'Fof?' 

Student 2: 
Off. 

Me: 
Wow. Not a shining moment.

(beat)

I can laugh at myself. So can you. Wow.