< stay, become, sharpen < relation (abstract relation)

• 21131(connect, fasten, follow) ← 21200(stay) → 21210(come out, take off, conceal)

< without, nonexistent, empty < relation (abstract relation)

• 31130(same, like, different) ← 31200(without, nonexistent, empty) → 31210(secretly, still, lightly)
• ㄱ ㄴ ㄷ ㄹ ㅁ ㅂ ㅅ ㅇ ㅈ ㅊ ㅋ ㅌ ㅍ ㅎ
• a b c d e f g h i j k l m n o p q r s t u v w x y z