Sure! Below is a Python function that generates test cases for the "Palindrome Generator" problem statement. The function `tcgen_palindrome` will create random inputs conforming to the constraints specified in the problem.

```python
import random
import string

def generate_random_word():
    length = random.randint(1, 10)
    return ''.join(random.choice(string.ascii_lowercase) for _ in range(length))

def tcgen_palindrome():
    # Generate N and M
    N = random.randint(1, 100)
    M = random.randint(0, 1000)
    
    # Generate N words
    words = [generate_random_word() for _ in range(N)]
    
    # Generate M ordered pairs
    pairs = []
    for _ in range(M):
        x = random.randint(1, N)
        y = random.randint(1, N)
        pairs.append((x, y))
    
    # Formatting the output similar to the input format of the problem statement
    input_data = f"{N} {M}\n"
    input_data += '\n'.join(words) + '\n'
    input_data += '\n'.join(f"{x} {y}" for x, y in pairs)

    return input_data

# Example usage:
print(tcgen_palindrome())
```

This function generates:
1. `N`, the number of words in the dictionary.
2. `M`, the number of ordered pairs of consecutive words.
3. A list of `N` words, each of random length between 1 and 10 characters.
4. A list of `M` ordered pairs, where each pair is a tuple of two integers between 1 and `N`.

The generated input is formatted as a string that mimics the structure of the problem's input format, making it easy to use in testing. You can run `tcgen_palindrome()` to get different random test cases each time.