If it is possible to make only one six letter meaningful English word with 2^nd, 4^th and 6^th letters of word SOCKETS and 3^rd, 4^th and 6^th letter of the word TONGUE, which of the following will be the fifth letter from the right of that word? If no such word can be made give ‘X’ as the answer and if more than one such word can be made give ‘Y’ as the answer.