The word "Gaillen" may be confusing to spell, but it follows the rules of English phonetics. The correct IPA transcription of this word is /ɡeɪlɛn/. The "g" is pronounced as a hard "g," and the "ai" combination is pronounced as the "ay" sound. The two "l's" indicate a short "e" sound followed by a double "l" sound. Finally, the "en" suffix signifies a soft "n" at the end of the word. With this understanding, "Gaillen" should be easy to spell correctly.