Because they always work problems out with a pencil.
They just work it out with a pencil!
They work it out with a pencil!
A dry doc.
They both pull strings for work. (Inspired by Bo Burnham, this popped into my head the other day)
Twelve, you got a problem with that
It sounds like you have a reptile dysfunction.
Works it out with a pencil.
Because his stool so hard!
Sin Pi