english: ch occurs most often and is pronounced either [ç] (after ä, ai, äu, e, ei, eu, i, ö, ü and after consonants) or [x] (after a, au, o, u).
non_english: À í ò ü à ó õ â Ì â â þ è To, on o å ü å û: â and â ð. å û, å ê à, û, é ñ, â â ì, ÿ, â ì, â í, and â ì Ã å Ã ÿ â and õ.