Common Phonological processes include:

	Fronting - sounds produced at the front of the mouth are substituted for others (e.g. cat becomes "tat")
	Backing - sounds produced at the back of the mouth are substituted for others (e.g. boy becomes "goy")
	Stopping - sounds that continue, like /s, sh, v, th/ are substituted for sounds that stop, or do not continue, like /t, d, p, b/. (e.g. soap becomes "toap")
	Consonant Sequence Reduction - omitting one or more of the consonants clustered together  (e.g. snake becomes "nake")
	Syllable reduction - omitting one or more syllables in a word (e.g. telephone becomes "tephone")