Simple Natural Language Processing - Finding/Classifying words by the least maximum offset between their letters

index.mjs

import {clear, log} from "console"
import { readFile } from "fs/promises"
var sleep = ms => new Promise(r => setTimeout(r, ms))

let dict = (await readFile("english_words_alpha.txt", "utf-8")).split("\r\n")

for(let i in dict){
    let word = dict[i]
    let letters = [...word]
    let chars = letters.map(v=>v.charCodeAt())
    let maxDist = 0
    for(let j = 0; j < chars.length-1; j++)
        for(let k = j+1; k < chars.length; k++)
            maxDist = Math.max(maxDist, Math.abs(chars[j] - chars[k]))
    
    if(maxDist <= 3 && word.length > 4)
        log(word, maxDist)

    if((+i+1) % 500 == 0){
        await sleep(10)
    }
}