a diagram showing the relation between variable quantities, typically of two variables, each measured along one of a pair of axes at right angles.
In fact, all the real values are already in the graph along the x axis also called the real axis.
a visual symbol representing a unit of sound or other feature of speech. Graphs include not only letters of the alphabet but also punctuation marks.
The initial step is the conversion of the word sequences to a phoneme transcription graph .