The system #1 each one of the speech orgens, gets agraphic sign.
The system #2 by joining a few signs togethet, we get an instruction on how to pronounce the consonant. for example: on the top right corner- join two lips together to pronounce the letter P.
The system #3 the vowel are based on lips movmene
An example for a letter
An example for a paragraph (right to left - of course)