XRandoms::getWord() is used to return random words upon a provided id. But it will return the same word for ids 0 and 1, making the first word have 2x the probability of being returned compared to the others:
XRandoms.sol#L28-L32
The if clause is not needed, as the function is expected to be called upon the result of a % 100 operation: XRandoms.sol#L41-L42, which will return values [0-99] that can safely be used inside the bounds of the words array.
Replace the if statement with:
