It is Sunnah for the Muslim to recite tasbeeh (saying “Subhaan-Allaah (glory be to Allaah)”), tahleel (saying “Laa ilaaha ill-Allaah (there is no god but Allaah)”) and takbeer (saying “Allaahu akbar (Allaah is Most Great)”) before entering ihraam for ‘Umrah or Hajj.