They may tend to guess words by shape and not by context. People with this form of dyslexia may also confuse reversible letters, transpose letters in syllables and syllables in words and words in phrases. They have trouble reproducing letters in writing and may confuse letter, syllable and word order. They may also read words backwards. Those with speech sound difficulties have problems in understanding spoken language.
Difficulty arises in breaking words into syllables and in forming sentences.
Researchers began to standardize the concept of dyslexia as case studies and investigations increased. The divisions below are listed according to the researcher of dyslexia. This is viewed as a disability in associating symbols with sounds. The misspellings typical of this disorder are phonetically inaccurate. The misreadings are substitutions based on small clues, and are also semantic.