Patent US 5,328,373

An aid for teaching students to read, comprising sound letters formed from standard English alphabet letters, each sound letter corresponding to a single sound most commonly associated with a particular alphabetic letter or combination of alphabetic letters of said standard alphabet, each said sound letter characterized as having a front, a back, a top, a bottom, a left side and a right side, said sound letters adapted for arrangement in a visually associated, juxtaposed relationship to form combinations of said sound letters so that students are able to read said combinations of said sound letters phonetically.