Word ladder be connected with a word ladder. Knuth used a fixed collection of 5,757 of the most common English five-letter words, excluding proper nouns. He determined exactly when two words of the collection had a word ladder between them via other words in the collection. Knuth found that most words were connected to each other, and he also found that 671 words of the collection did not form a word ladder with any other words. He called these words "aloof", because "aloof" is itself an example of such a word. Word ladder Word ladder (also known as Doublets, word-links, change-the-word puzzles,
Lee (English surname) Korean diaspora translating numerous surnames also romanized as Li, particularly the one deriving from the Chinese word for "plum" (, "Lǐ"; , "Lee"; , "Rhee"; Vietnamese</small> , quốc ngữ Lê, Lý or Lí) which is among the most common surnames in the world. In America, Lee is the most common surname for Chinese and Korean Americans and the second-most-common surname for Asian and Pacific Islanders, behind the Vietnamese Nguyen. Similarly, Lee is the third-most-common surname among Chinese Singaporeans. Originating from Norway as "Lie", this surname was altered when it arrived in the Americas in the late 1800s to fit the