مختبر الهانغل

The recipes

Every block is: (1) consonant + vowel, (2) consonant + vowel + consonant, or a lone vowel with ㅇ standing in. 감 = ㄱ + ㅏ + ㅁ.

Vowels pick a side

Vertical vowels (ㅏ ㅓ ㅣ) hang on the right of the consonant. Horizontal ones (ㅗ ㅜ ㅡ) sit underneath. ㅡ decides at birth.

40 letters, infinite blocks

11,172 syllable blocks exist in Unicode. You need about 40 letters and one afternoon to unlock them.