gy

The letter "g" usually makes the /j/ sound when followed by the vowels e, i, or y.(ge、gi、gy 的 g 通常發 /j/ 的音)

gym, gymnasium, gymnastics, gypsy, gypsum, strategy, stingy, dingy, allergy, energy, analogy, apology, technology, sociology, ecology, geology, radiology, urology, biology, pathology, cytology, psychology, theology, mythology, methodology, prodigy, eulogy, pudgy