trigram /trīˈgram/

1. An inscription of three letters
2. A figure of three lines

trigrammatˈic or trigrammˈic adjective

• possie
• possies
• possing
• poss-stick
• 'possum
• possum
• Possum
• 'possumed
• possumed
• 'possuming
• possuming
• 'possums
• possums
• post
• post-
• POST
• postage
• postage meter
• postage meters
• postages
• postage stamp
• postage stamps
• postal
• postal ballot
• postal ballots