A silent is used between and or to indicate a hard pronunciation, so that represents and represents . The letter ( with diaeresis) is used in this context to indicate that the is not silent, e.g. ' . The diaeresis may occur also in Spanish poetry, occasionally, over either vowel of a diphthong, to indicate an irregular disyllabic pronunciation required by the meter (', to be pronounced as three syllables). This is analogous to the use of in "naïve" in English.