List all of the American football conferences within Division I of the National Collegiate Athletic Association.
Include those in both the Football Bowl Subdivision and in the Football Championship Subdivision.
Do not include multi-sport conferences that happen to include American football (e.g. the Atlantic 10 conference). Do not include the Division I FBS or FCS Independents.
Acronyms or abbreviations will not work. Type out the full answer. If applicable, the word "conference" will not be necessary.