trigram /trīˈgram/

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

trigrammatˈic or trigrammˈic adjective

• niff
• niffed
• niffer
• niffered
• niffering
• niffers
• niffier
• niffiest
• niffing
• niffnaff
• niffnaffed
• niffnaffing
• niffnaffs
• niff-naffy
• niffs
• niffy
• niffy-naffy
• Niflheim
• niftier
• niftiest
• niftily
• niftiness
• niftinesses
• nifty
• nigella