Knock KnockWho’s there !Boris !Boris who ?Boris with more knock knock jokes !
Knock KnockWho’s there !Bosnia !Bosnia who ?Bosnia bell here earlier !
Knock KnockWho’s there !Bolivia !Boliva who ?Boliva me, I know what I’m talking about !
Knock KnockWho’s there !Bobby !Bobby who ?Bobby-n up and down like this !
Knock KnockWho’s there !Boiler !Boiler who ?Boiler egg for four minutes !