That can equally be said of  and  however once one learns what functions the tilde and the cedilla serve they become pronunciatory aids to show that words like piata and faade are pronounced as  or more usually  and  or   and not as  and  or  As I said the functions of the okina tilde and cedilla could all be learnt very quickly by those who are unfamiliar therewith Just because a character is only ever found in borrowed terms does not mean that it cannot function as a pronunciatory aid