Om Namah Shivaya

The Siddha lineage and practioners,  use a mantra that works directly on the elements themselves, rather than on the chakras. They reason that mastery of the elements that rule the chakras will accomplish the goal achieved by saying the seed sound of the chakras and much more besides. The Siddha lineage uses this basic mantra 'Om Namah Shivaya'.

Om – Mind

Na – Earth

Ma – Water

Shi – Fire

Va – Air

Ya – Ether

The above from  Chakra  Mantras –by Thomas Ashley Ferrand

Shiv Panchakshara stotram:

(the hymn of the 5 letter of Shiva)

Nagendra Haraya Trilochanaya,

Bhasmanga ragaya Maheshwaraya,

Nityaya Shuddhaya Digambaraya,

Tasmai Nakaraya NamahShivaya,

Salutations to the letter 'Na', which is Shiva,

Who wears as garland the king of snakes, (signifies the earth element)

Who has three eyes,                                                                                            

Who wears ash all over him, (this too signifies the earth element)

Who is the greatest lord,

Who is eternal, immaculate

And who wears directions themselves as clothes.

Mandakini salila chandana charchitaya,

Nandeeshwara pramatha natha maheshwaraya,

Mandara pushpa bahu pushpa supujitaya,

Tasmai Makaraya Namah Shivaya

Salutations to the letter 'Ma', which is Shiva,

Who is bathed by the water of the Ganges, (signifies the water element)

Anointed with  sandal paste,

Who is the Lord of Pramatha (a type of being in Lord Shiva's retinue) and Lord Nandi,

Who is the greatest Lord

And who is worshipped by Mandara and many other flowers

Shivaaya gauri vadanaravinda,

Suryaya dakshaya dwaranashakaya,

Sri neel kanthaya vrisha dhwajaya ,

Tasmai Shikaraya Namahshivaya

Salutation to the letter 'Shi', which is Shiva,

Who is peace personified,

Who is like a Sun to the lotus face of Gauri (another name for Parvati, Shiva's consort), (signifies fire element)

Who destroyed the fire sacrifice of Daksha,  (this too mentions the fire element)

Who has a blue neck, (signifies fire element)

And who has a bull in his banner.

Vashishthakumbhodbhava gautamarya,

Munindra devarchita shekharaya,

Chandrarka vaishvanara lochanaya,

Tasmai Vakaraya Namah Shivaya

Salutation to the letter 'Va', which is Shiva,

Who is worshipped by great sages like Vashishtha, Agastya , Gautam and gods,

And who has Sun, Moon and Fire as his three eyes.  (sky or air element)

Yaksha swaroopaya jata dharaya,

Pinaka hastaya sanaatanaya,

Divyaya devaya digambaraya,

Tasmai Yakaraya Namahshivaya

Salutations to the letter 'Ya', which is Shiva,

Who has the nature of Yaksha (the lord of Riches, kubera),

Who has matted locks,

Who is armed with the Trident, Pinaka,

(Siva's trishul or trident (the three pointed javelin like weapon) represents the three gunas –Sattwa,Rajas and Tamas. The Trishul is the emblem of sovereignity. Lord Siva wields the world through these three gunas, which is the composition of Maya-Shakti or mind and matter. In other words, if one were able to analyse the composition of Maya-Shakti, it will be found to be made of the combination of the three Gunas (Sattwa-Rajas-Tamas). (ethereal qualities)

Ref.: http://www.hinduism.co.za/siva.htm

Who is peace and a divine god,

Who wears directions themselves as dress.