(continued)
12. The sound as in /tea/
Touch the tip of the tongue behind the upper teeth and release air.This is a voiceless sound.
e.g.tea, ten,cat etc.
13.The sound as in /dog/
Touch the tip of the tongue behind the upper teeth and produce sound.This is a voiced sound.
e.g. day, did,pad etc.
14. The sound as in /pen/
Close the lips and then open them to release air. This is a voiceless sound.
e.g. pull,paper, gap etc.
15. The sound as in /bat/
Close the lips and then open them to produce sound. This is a voiced sound.
e.g. bag, ban,tab etc.
16. The sound as in /cat/
Touch the back of the tongue to the roof of mouth and then open it to release air. This is a voiceless sound.
e.g.cat, chemical,college,walk etc.
17. The sound as in /gap/
Touch the back of the tongue to the roof of mouth and then open it to produce sound. This is a voiced sound.
 e.g.game, girl,tag etc.

(to be continued)