My mind is starting to go blank on I words and phrases. Oh well, here goes...
Words So Far:
Izzy
Izumi
Ikuto
Ichijouji Ken
Ivan
Imperialdramon
Imperialdramon Fighter Mode
Imperialdramon Paladin Mode
Igamon
Infermon
Impmon
Insekimon
Iori
"Imperialdramon Mode Change to Fighter Mode"
Itsudemo...