Create a function that sorts words by a given string.
sortByString(["apple", "banana", "cherry", "date"], "dbca")
➞ ["date", "banana", "cherry", "apple"]
sortByString(["small", "big", "medium"], "sazymtb")
➞ ["small", "medium", "big"]
sortByString(["poof", "floof", "loop"], "flatp")
➞ ["floof", "loop", "poof"]