https://www.reddit.com/r/dailyprogrammer/comments/4qg2eo/20160629_challenge_273_intermediate_twist_up_a/

twistUp.js

const twistUp = (str) => {
  const lookup = {
    'a': 'áăắặằẳẵǎâấậầẩẫäạàảāąåǻãɑɐɒ',
    'b': 'ḅɓß♭␢Б',
    'c': 'ćčçĉɕċ',
    'd': 'ďḓḍɗḏđɖ',
    'e': 'éĕěêếệềểễëėẹèẻēęẽɘəɚ',
    'f': 'ƒſʃʆʅɟʄ',
    'g': 'ǵğǧģĝġɠḡɡ',
    'h': 'ḫĥḥɦẖħɧ',
    'i': 'íĭǐîïịìỉīįɨĩɩı',
    'j': 'ǰĵʝȷɟʄ',
    'k': 'ķḳƙḵĸʞ',
    'l': 'ĺƚɬľļḽḷḹḻŀɫɭł',
    'm': 'ḿṁṃɱɯɰ',
    'n': 'ʼnńňņṋṅṇǹɲṉɳñŋ',
    'o': 'óŏǒôốộồổỗöọőòỏơớợờởỡōǫøǿõɵʘ',
    'p': 'ɸþᵱƥᵽṗṕ',
    'q': 'ʠꝗɋq̃ϙ',
    'r': 'ŕřŗṙṛṝɾṟɼɽɿɹɻ',
    's': 'śšşŝșṡṣʂ',
    't': 'ťţṱțẗṭṯʈŧ',
    'u': 'ʉúŭǔûüǘǚǜǖụűùủưứựừửữūųůũʊ',
    'v': 'ʋʌⱴṿṽ',
    'w': 'ẃŵẅẁʍ',
    'x': 'χẍẋⲭ',
    'y': 'ýŷÿẏỵỳƴỷȳỹʎ',
    'z': 'źžʑżẓẕʐƶ',
    'A': 'ÁĂẮẶẰẲẴǍÂẤẬẦẨẪÄẠÀẢĀĄÅǺÃ',
    'B': 'ḄƁᛒ𐌱ɃḂḆ฿β',
    'C': 'ĆČÇĈĊƆʗ',
    'D': 'ĎḒḌƊḎĐÐ',
    'E': 'ÉĔĚÊẾỆỀỂỄËĖẸÈẺĒĘẼƐ',
    'F': 'ƑḞ𐌅₣',
    'G': 'ǴĞǦĢĜĠḠʛ',
    'H': 'ḪĤḤĦ',
    'I': 'ÍĬǏÎÏİỊÌỈĪĮĨ',
    'J': 'ĴɈʝ',
    'K': 'ĶḲƘḴ',
    'L': 'ĹȽĽĻḼḶḸḺĿŁ',
    'M': 'ḾṀṂ',
    'N': 'ŃŇŅṊṄṆǸƝṈÑ',
    'O': 'ÓŎǑÔỐỘỒỔỖÖỌŐÒỎƠỚỢỜỞỠŌƟǪØǾÕ',
    'P': 'Þ𐌐ṔṖⱣƤ₱♇',
    'Q': 'ꝖɊ',
    'R': 'ŔŘŖṘṚṜṞʁ',
    'S': 'ŚŠŞŜȘṠṢ',
    'T': 'ŤŢṰȚṬṮŦ',
    'U': 'ÚŬǓÛÜǗǙǛǕỤŰÙỦƯỨỰỪỬỮŪŲŮŨ',
    'V': 'ṼṾƲ℣∨',
    'W': 'ẂŴẄẀʬ',
    'X': 'χẌẊⲬ𐍇',
    'Y': 'ÝŶŸẎỴỲƳỶȲỸ',
    'Z': 'ŹŽŻẒẔƵ'
  }
   const replaceWith = (lookup) => (char) => chooseRandChar(lookup[char]) || char
   
   const reduce = (thing, fn, init = null) => {
     let start = init
     for(let i = 0; i < thing.length; i++) {
      start = start + fn(thing[i], i, thing)
     }
     return start
   }
   
   const getRandomInt = (max, min = 0) => { 
     return Math.floor(Math.random() * (max - min)) + min;
   }
   
   const chooseRandChar = (str) => str ? str[getRandomInt(str.length - 1)] : str
   
   return reduce(str, replaceWith(lookup), '')
}


console.log(twistUp(`For, after all, how do we know that two and two make four? 
Or that the force of gravity works? Or that the past is unchangeable? 
If both the past and the external world exist only in the mind, 
and if the mind itself is controllable – what then?`))