code: def test_generate_abbreviations(self):
      word1 = "word"
      answer1 = [
          "word",
          "wor1",
          "wo1d",
          "wo2",
          "w1rd",
          "w1r1",
          "w2d",
          "w3",
          "1ord",
          "1or1",
          "1o1d",
          "1o2",
          "2rd",
          "2r1",
          "3d",
          "4",
      ]
      self.assertEqual(
          sorted(generate_abbreviations(word1)), sorted(answer1)
      )
  
      word2 = "hello"
      answer2 = [
          "hello",
          "hell1",
          "hel1o",
          "hel2",
          "he1lo",
          "he1l1",
          "he2o",
          "he3",
          "h1llo",
          "h1ll1",
          "h1l1o",
          "h1l2",
          "h2lo",
          "h2l1",
          "h3o",
          "h4",
          "1ello",
          "1ell1",
          "1el1o",
          "1el2",
          "1e1lo",
          "1e1l1",
          "1e2o",
          "1e3",
          "2llo",
          "2ll1",
          "2l1o",
          "2l2",
          "3lo",
          "3l1",
          "4o",
          "5",
      ]
      self.assertEqual(
          sorted(generate_abbreviations(word2)), sorted(answer2)
      )
  
imports: from algorithms.backtrack import add_operators, permute_iter, anagram, array_sum_combinations, unique_array_sum_combinations, combination_sum, get_factors, recursive_get_factors, find_words, generate_abbreviations, generate_parenthesis_v1, generate_parenthesis_v2, letter_combinations, palindromic_substrings, pattern_match, permute_unique, permute, permute_recursive, subsets_unique, subsets, subsets_v2
  import unittest
label_desc: Use image node_id 1 for calling the TestGenerateAbbreviations obj's underlying member method code with example usage: obj.test_generate_abbreviations() without return types