Teenieleek, Google the whole phrase given by the incorrect letters. That will give you the six endings you need. They are all at the end of the rows containing the 'brief cases'. US is right. The most famous example of the second one is 'Et tu, BrutE'.
drxx, an outrageously expensive classical education had to confer some small benefit at some stage in my life. However, I doubt this was what my parents had in mind . . .