Tongue, Lips, Mouth in Proverbs

Proverbs 10:20-21
New King James Version (NKJV)

20 The tongue of the righteous is choice silver;
The heart of the wicked is worth little.
21 The lips of the righteous feed many,
But fools die for lack of wisdom.

Proverbs 10:31-32
New King James Version (NKJV)

31 The mouth of the righteous brings forth wisdom,
But the perverse tongue will be cut out.
32 The lips of the righteous know what is acceptable,
But the mouth of the wicked what is perverse.