What is Grade 2 braille?
Grade 2 braille, also called contracted braille, shortens common words and letter groups so fluent readers can read and write more efficiently.
Because contractions depend on position and surrounding characters, a Grade 2 translator must apply language rules rather than replace letters one by one.
Grade 1 versus Grade 2: key differences
Grade 1 (uncontracted): Each letter is written as one braille cell. The word "the" uses three cells — T, H, E. Grade 1 is useful for beginners, spelling exercises, labels and names because every letter is explicit.
Grade 2 (contracted): Common words and letter groups use shortened forms. The word "the" uses one cell — the "the" contraction. Grade 2 is standard for fluent literary braille, books and longer documents because it is more compact.
Cell count example: "the cat sat on the mat" uses 18 cells in Grade 1 but only 10 cells in Grade 2. This makes Grade 2 faster to read and produces smaller braille documents.
When to use each: Use Grade 1 for learning, labels and short texts where every letter matters. Use Grade 2 for reading, books, documents and any material intended for fluent braille readers.
Common Grade 2 contractions
Whole-word contractions: "the" (dots 2346), "and" (dots 12346), "for" (dots 12345), "of" (dots 1235), "with" (dots 23456). These replace entire common words with a single cell.
Groupsigns: "ch" (dots 16), "sh" (dots 146), "th" (dots 1456), "wh" (dots 156), "ou" (dots 1256), "st" (dots 34). These contract frequent letter pairs within words.
Shortforms: "abv" for "above", "abt" for "about", "rcv" for "receive". These are standardized abbreviations for common words.
Context rules: Some contractions only apply at the beginning or end of a word, or when followed by a space. A correct Grade 2 translator applies these position rules automatically.