The science of sounds considered as a product of the articulatory apparatus. Phonetics is expressed by the alphabet, which in Italian consists of 21 consonants and 5 vowels. The Italian alphabet is relatively simple, but there are special sounds formed with the letter 'C' and 'G'. In addition there are sounds independent of individual letters that are read differently, such as the nexus 'GLI' and 'SCI'. In addition very important are the 'double consonants' because they have distinctive value, that is, they can change the meaning of the word