화재/재해/도난 미리 준비해�? 유병자실손보�?유병력자�?간편심사로 The 2 most frequent grammatical rules where this happens is when conjugating in the past or existing tenses. For examples: If a grammatical basic principle that is definitely added to 서둘�?is really a vowel �?and there's no other alternative in addition to a vowel �?then waiting for link from Forum Profiles (11)