The method getLongestCommonPrefix receives a list of Strings. Each element represents a word. The method should find and return the longest common prefix from all the words. If there is no prefix in common among all words, return "", an empty String.

Example 1:

Input: words: ['florida'', 'flower', 'flight'] Output: fl Explanation: Each word begins with fl

Example 2:

Input: words: ['bob', 'mark', 'steve'] Output: "" Explanation: There is no common prefix