With the A & ka lines under our belts, we can move onto the Sa & Ta lines.
Same as before,these are pronounces just like the hiragana. (The hiranaga sa & ta line post is here.)

サ   シ   ス   セ   ソ
sa shi* su se so
タ   チ    ツ    テ  ト
ta chi* tsu* te to

Some words using these kana:
シール
shiiru- sticker/seal

テスト
tesuto- test

Practice! http://www.realkana.com/