Lip
'A lip' in general signifies doctrine.
In Isaiah 6:3, 7, this signifies the interior parts of a person and thus internal worship where adoration is grounded.
In Isaiah 37:29, this signifies the thought of the understanding
In Malachi 2:6, 7, this denotes doctrine grounded in charity.
(Reference: Arcana Coelestia 1284, Arcana Coelestia 1288)
Deaf
In Exodus 4:11, this signifies lacking a perception of truth, and so disobedience. (Arcana Coelestia 6989, Apocalypse Explained 455[11])
In Luke 7:22, this signifies lacking in true faith because they have no perception of it. (Arcana Coelestia 9209[4])