If it is possible to make only one six-letter meaningful English word with the 3rd, 6th and 8th letter of the word CANDELABRUM and 3rd, 5th and 7th letter of the word GOSHAWK, which of the following will be the fourth letter from the left 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.