do you know the way generator

do-u-no-da-wei.js

// this is a do-you-know-the-way sentence generator
var words = [
    ["do"], 
    ["you", "u"], 
    ["know", "no", "kno"], 
    ["da", "de", "the"], 
    ["way", "wey", "wei", "wae"]],
    combinations = [],
    combinationNb = words.reduce((acc, v) => acc * v.length, 1);

for (var i = 0; i < combinationNb; i++)
    combinations.push([]);

for (var i = 0; i < words.length; i++) {
    for (var j = 0, k = 0; j < combinationNb; j++, k = j % words[i].length) {
        combinations[j].push(words[i][k]);
    }
}

var sentences = combinations
    .map(c => 
        c.reduce((acc, v, i) => acc + (i === 0 ? "" : " ") + v, ""));

console.log(sentences);

// codegolfed
for(i=0,w=[["do"],["you","u"],["know","no","kno"],["da","de","the"],["way","wey","wei","wae"]],t=[];i<w.length;i++)for(var j=0,k=0;j<w.reduce((a,v)=>a*v.length,1);j++,k=j%w[i].length)t[j]=(i?t[j]+" ":"")+w[i][k];console.log(t);
// 216
for(i=0,w=[['do'],['you','u'],['know','no','kno'],['da','de','the'],['way','wey','wei','wae']],t=[],l='length';i++<w[l];)for(j=k=0;j++<w.reduce((a,v)=>a*v[l],1);k=j%w[i][l])t[j]=(i?t[j]+' ':'')+w[i][k];console.log(t)
// 202
t=[],w=[['do'],['you','u'],['know','no','kno'],['da','de','the'],['way','wey','wei','wae']],w.map((e,i)=>{for(j=0;j++<w.reduce((a,v)=>a*v[l],1);l='length')t[j]=(i?t[j]+' ':'')+e[j%e[l]]});console.log(t)