The Vowel Sound as in “It”

Note: Tongue arched forward high; tip behind lower front teeth; mouth open wide; contact high and forward.

The Vowel Sound as in “On”

Note: Tongue sags; mouth moderately open; lips rounded; contact low and back of center.

The Vowel Sound as in “Go”

Note: Tongue sags; mouth moderately wide; lips well rounded; contact midway back. This is a single sound “given to all open syllables.”