a waiter	a fire fighter	a police officer
a barber	a mailman	a doctor
a nurse	a student	a cook

a teacher	a pilot	a nurse
a barber	a cook	a waiter
a fire fighter	a doctor	a student

a waiter	a doctor	a teacher
a fire fighter	a police officer	a nurse
a student	a pilot	a bus driver

a student	a pilot	a police officer
a teacher	a fire fighter	a nurse
a bus driver	a mailman	a barber

a nurse	a police officer	a fire fighter
a pilot	a barber	a doctor
a waiter	a cook	a student

a barber	a waiter	a doctor
a nurse	a cook	a bus driver
a police officer	a student	a teacher

a cook	a teacher	a bus driver
a mailman	a nurse	a student
a waiter	a fire fighter	a barber

a bus driver	a pilot	a police officer
a mailman	a cook	a teacher
a doctor	a waiter	a nurse

a police officer	a barber	a mailman
a doctor	a pilot	a fire fighter
a student	a teacher	a waiter

a student	a pilot	a nurse
a mailman	a police officer	a teacher
a cook	a waiter	a barber

a police officer	a bus driver	a doctor
a cook	a waiter	a fire fighter
a student	a mailman	a pilot

a waiter	a doctor	a barber
a bus driver	a pilot	a nurse
a mailman	a cook	a student

a student	a barber	a cook
a pilot	a teacher	a police officer
a nurse	a waiter	a mailman

a doctor	a student	a pilot
a bus driver	a barber	a nurse
a mailman	a cook	a fire fighter

a police officer	a teacher	a pilot
a mailman	a waiter	a cook
a nurse	a fire fighter	a student

a fire fighter	a pilot	a barber
a bus driver	a cook	a mailman
a doctor	a teacher	a student