def findLetters(myList, myString):

  StrList = []
  allGood = False

  for q in myString:
    StrList.append(q)

  for element in myList:
    for c in element:
      i = 0
      length = len(StrList)

      while i < length:
        if StrList[i] == c:
          StrList.pop(i)
          length = length - 1
        else:
          i = i + 1


  if len(StrList) == 0:
    return True
  else:
    return False


print(findLetters(["hello", "world"], "hold"))