Removes the prefixes from a list of -letter words.
Ex: ["caulk", "cause", "caved", "caves"] => ["caulk", "se","ved","s"]
To reconstitute the initial array, use this code:
for(i in w)w[i]=w[i].padStart(5,w[i-1])
Input (JSON)
["yurta","yurts","zaire","zarfs","zaxes","zayin","zeals","zebra","zebus","zeins","zerks","zeros","zesty","zetas","zibet","zilch","zincs","zincy","zineb","zines","zings","zingy","zinky","ziram","zlote","zloty","zoeal","zoeas","zombi","zonae","zonal","zoned","zoner","zones","zonks","zoril","zoris","zouks","zowie","zymes"]
Output
GO
See the version made for word of any length