Ta-Ha.* (O dear Prophet Mohammed – peace and blessings be upon him) (Alphabets of the Arabic language – Allah and to whomever He reveals know their precise meanings.)
Arberry
Ta Ha
Asad
O MAN!
Daryabadi
Ta. Ha. *Chapter: 20
Hilali & Khan
Ta-Ha. [These letters are one of the miracles of the Quran, and none but Allah (Alone) knows their meanings.]