Om / Aum  ~ symbolizes the attainment of enlightenment ~ the Absolute.

Mani  ~ the supreme goal to which one aspires.

Peme / Padme  ~ the lotus flower that signifies wisdom and the perfect void.

Hung / Hum  ~ binds it together by it's meaning of unity in method and wisdom.

Rhree / Hree  ~ the essence of Avaloketsivara and brings forth his emanation in your life.