US states: AL, CT, DC, DE, FL, GA, KY, MA, MD, ME, MS, NC, NH, NJ, NY, PA, RI, SC, TN, VA, VT, WV
Canadian provinces: NB, NL, NS, ON, PE, QC
US states: AR, CO, IA, IL, IN, KS, LA, MI, MN, MO, ND, NE, OH, OK, SD, WI
Canadian provinces: MB
US states: AK, AZ, CA, HI, ID, MT, NM, NV, OR, TX, UT, WA, WY
Canadian provinces: AB, BC, NT, SK, YT