The writing system in general use today is the Carrier Linguistic Committee writing system, a Roman-based system developed in the 1960s by missionaries and a group of Carrier people with whom they worked. The CLC writing system was designed to be typed on a standard English typewriter. It uses numerous digraphs and trigraphs to write the many Carrier consonants not found in English, e.g. for and for , with an apostrophe to mark glottalization, e.g. for the ejective alveolar affricate. Letters generally have their English rather than European values. For example, represents while represents .