Keeping in mind there are no vowels in Hebrew, what is it you want to emboss on your body, which, by the way is quite against Torah. teaching, nevertheless, I'm assuming you mean Hebrew characters and not an English transliteration...
Additionally, it would be helpful to know the script you're looking for. The one most often seen is K'tav Ashuri, however the most modern is Rashi... which bears a striking resemblance to the Ashuri or Assyrian script mentioned above.
Also, it's important to understand that, like most Semitic languages, it is written (and read) from right to left, unlike English...