Only in context. Letters like B, D, E, G, O, M and W are just literal blobs of pixels without any indication of what the actual letter might be. You can only te

Only in context. Letters like B, D, E, G, O, M and W are just literal blobs of pixels without any indication of what the actual letter might be. You can only tell C and E apart if you know what the other one looks like. Even worse for lower case. See x for example.