blow is a clean. job is a clean: blowjob? is a dirty.  

hammer is a clean. hanging is a clean: “how is your hammer hanging?” is a dirty.

nail is a clean: screw is a dirty.

racecourse is a clean: intercourse is a dirty.

sanitary is a clean. towel is a clean: sanitary towel is a dirty.

sixty is a clean. nine is a clean: sixty-nine? now, that is a dirty 

Copyright © Fani-Kayode Omoregie 2016