Solution

import random
import enchant

row_data = ['qwertyuiop', 'asdfghjkl', 'zxcvbnm']
row_choices_used = []
row_choice = random.choice(range(0, len(row_data)))
data = ''
data_list = []
d = enchant.Dict('en_US')
count = 0
possibility_count = 0

while possibility_count < 3780:
   while count < len(row_data):
      while row_choice in row_choices_used:
         row_choice = random.choice(range(0, len(row_data)))
      row_choices_used.append(row_choice)
      the_choice = random.choice(row_data[row_choice])
      data += the_choice
      count += 1
   if data not in data_list:
     data_list.append(data)
     possibility_count += 1
   row_choices_used = []
   data = ''
   count = 0

f = open("data.txt", "w")
useless_words = 0 # Just for reference
useful_words = 0 # Also for reference
for word in data_list:
   if d.check(word) == True:
      f.write(word + '\n')
      useful_words += 1
   else:
      useless_words += 1

f.close()
print("Number of English words :", str(useful_words))
print("Number of random words :", str(useless_words))