First of all, I am very glad to have discovered this site. The flashcard app is great, and it's the only place online where I can find a list for the Ganada Korean for Foreigners series (or at least, for the unit I'm studying!).
But I'm confused about the spelling system. When the flashcard asks me to spell a word, I enter in what I know is the standard hangeul transcription, but it always tells me I'm wrong. If I see 개미, I type in "gaemi," but it will only accept "geh-mi," with the hyphen included. Are there specific transcription rules that this site is using? Or is it up to the individual list creator?