Answer
$abc, abd, abe, acd, ace, ade, bcd, bce, bde, cde$
Work Step by Step
The order does not matter, that is $abc=cba=bac...$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.