sentences:  The letters "c" and "g" normally represent and , but there is also a soft "c" pronounced , and a soft "g" pronounced .The differences in the pronunciations of the letters "c" and "g" are often signalled by the following letters in standard English spelling.Digraphs used to represent phonemes and phoneme sequences include "ch" for , "sh" for , "th" for or , "ng" for , "qu" for , and "ph" for in Greek-derived words.