For each letter, name the brightest star with a proper name officially approved by International Astronomical Union (IAU).
Only OFFICIALLY APPROVED proper names as of June 2018. For example, "Regor" and "Navi" are not included.
You can find the list of approved star names on this page on IAU website.
Apparent magnitudes of stars brighter than magnitude of 2.50 indicated in this quiz (VMag) are from here. For fainter stars, data are from SIMBAD Astronomical Database.