This is an article by Shri Ajay and Smt Aarthy Ananthanarayanan

Theermanas are aesthetically made artistic patterns. The theermanam at the base has pure mathematics and it is made interesting by either notes by a vocalist and by rhythmic syllables by percussion artistes. The combination of Tha Dhi Gi Na Thom with verses and jathis played [...]

Following is the Sollukettu for the twelfth variation. The Bols are Tai Tai dhit Dhit Tai Tam.

If you would like to download this audio, right click here and save to computer

Following is the sollukettu (bols, syllables) for the third, eight and eleventh variation. The Bols are “Tai Tai Dhit Dhit Tai“. It is also called “Tat Dhin Gi Na Tom“.

If you would like to download this audio, right click here and save to computer

Following is the sollukettu for the second and the seventh variation. The bols are “Tai Dhit Dhit Tai“.

If you would like to download this audio, right click here and save to computer

Here is the sollukettu (Bols or syllables) for first and the sixth variation. The Bols are “Dhit Dhit Tai”. It is sung in three speed for the purpose of practice.

If you would like to download this audio, right click here and save to computer

Now this step is one of my favorites. The Bols of which are Tai Tai Dhit Dhit Tai. Also a new leg position called the Prenkhana is introduced. When one leg is grounded and the other leg is on toes with heels raised, it is said to be Prenkhana.
1. Be in Ardhamandala. Hand stretched out [...]

Here is the explanation of the eleventh variation. The Bols (sollukettu) are Tai Tai Dhit Dhit Tai. I shall post the video soon.
1.Be in Ardhamandala. Keep your hands in Natyarambhe position. Natyarambhe is a position when the hands are stretched out sideways, elbows slightly bent and not dropping down and the palms in Pataka hasta. [...]

Lets take a look at the remaining steps of Teermanam Adavu. Here is the explanation for the Seventh, Eight and the ninth step. They are very similar to each other. Therefore explained them in the same post.
1. Be in Ardhamandala. Hands have to be held in a “L” shape. When beginning with the right [...]

From the sixth variation onwards the hand movements change. Hands have to be held in a “L” shape. When beginning with the right side,
a. Both right and left hands are held in Pataka hasta facing down
b. Right arm is stretched and held in front of the face
c. left hand is stretched sideways.
d. both the arms [...]

The fifth step is a combination of all the previous steps. The bols are Tai Dhit Dhit Tai, Tai Tai Dhit Dhit Tai, Tai Tai Tai Dhit Dhit Tai.
When starting with the right side.
1. Do the second variation of teermanam adavu ie Tai Dhit Dhit Tai
2. To the left side do the third variation of [...]