this is nothing. you can't writte arabic with latin letters, as you can't writte english with arabic letters. there are transcription systems you can look for them in any serious manual about arabic language. This impossibility is due to lack of tradition of using different alphabets for a language. there are some examples of languages that hystorically have been written in different alphabets, or still they are, but this is not the case for arabic (and english). this problem is not specifical of any alphabet but all share this issue. But for instance, japanese has developed a latin scripture called "romanji" because japanese phonetics quite fits to the phonetics represented by latin alphabet, ( of course there is no one to one correspondence as there is no total correspondence between the sound a letter or group represents in all languages that use latin alphabet.