< time < relation (abstract relation)

• 11640(when) ← 11641(now, present) → 11642(past, recently)

< always, old, soon < relation (abstract relation)

• 31612(again, often) ← 31641(present, now) → 31642(nowadays, recently)
• 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