The Face hieroglyph is used as a preposition, and in preposition constructs. The common meanings for the single face are: in, at, upon, on, by, etc.[3]
Budge, 1991. A Hieroglyphic Dictionary to the Book of the Dead,E.A.Wallace Budge, Dover edition, 1991; Original: c 1911 as: A Hieroglyphic Vocabulary to the Theban Recension of the Book of the Dead with an Index to All the English Equivalents of the Egyptian Words, (Kegan Paul, etc. Ltd, London, publisher). Dover: (softcover, ISBN0-486-26724-5)
Schumann-Antelme, and Rossini, 1998. Illustrated Hieroglyphics Handbook, Ruth Schumann-Antelme, and Stéphane Rossini. c 1998, English trans. 2002, Sterling Publishing Co. (Index, Summary lists (tables), selected uniliterals, biliterals, and triliterals.) (softcover, ISBN1-4027-0025-3)