Forget 안전놀이터: 10 Reasons Why You No Longer Need It
https://www.evernote.com/shard/s542/sh/21e9b92f-2a1b-478a-ad6b-dae392bb1dd1/68a959f6e2c44ed22afeb354414a3c37
A further rule will be to double the ultimate consonant in a very sentence after which you can increase the letter e at the top manufacturing a clearer pronunciation from the word.