Original sentence: Although rules for e and i look different, they are not; the additional h is needed in italian to enforce a voiced velar plosive sound for letter g, which is implicit in the other combinations.The farfallino alphabet (in italian alfabeto farfallino) is a language game used primarily in Italy, which can  be regarded as an elementary form of substitution cipher.The farfallino alphabet is similar to games found in other languages such as jeringonza (spanish/language), langue de feu (french), fay kee bolee (urdu) and pig latin (english).The name "farfallino" comes from the word "farfalla" (butterfly), which is an ordinary italian word but sounds like the "codified" words in farfallino alphabet
Edited sentence: Although rules for e and i look different, they are not; the additional h is needed in Italian to enforce a voiced velar plosive sound for letter g, which is implicit in the other combinations.The farfallino alphabet (in Italian alfabeto farfallino) is a language game used primarily in Italy, which can  be regarded as an elementary form of substitution cipher.The farfallino alphabet is similar to games found in other languages such as jeringonza (Spanish/language), langue de feu (french), fay kee bolee (urdu) and pig latin (English).The name "farfallino" comes from the word "farfalla" (butterfly), which is an ordinary Italian word but sounds like the "codified" words in farfallino alphabet