The rules that use the vocabulary item "hundred" are:
<digit-not_zero> hundred
<digit-not_zero> hundred <number>
<number-not_digit> hundred
<digit-not_zero> hundred
<digit-not_zero> hundred <number>
two hundred fifty
two hundred and fifty
three hundred
three hundred fifty
four hundred
four hundred fifty
five hundred
five hundred fifty
six hundred
six hundred fifty
seven hundred
seven hundred fifty
eight hundred
eight hundred fifty
nine hundred
nine hundred fifty
one thousand five hundred
two thousand five hundred
twenty five hundred
three thousand five hundred
four thousand five hundred
five thousand five hundred
six thousand five hundred
seven thousand five hundred
eight thousand five hundred
nine thousand five hundred
one hundred thousand
a hundred thousand
one hundred fifty thousand
two hundred thousand
two hundred and fifty thousand
two hundred fifty thousand
three hundred thousand
three hundred fifty thousand
four hundred thousand
four hundred fifty thousand
five hundred thousand
five hundred fifty thousand
six hundred thousand
six hundred fifty thousand
seven hundred thousand
seven hundred fifty thousand
eight hundred thousand
eight hundred fifty thousand
nine hundred thousand
nine hundred fifty thousand
<up_to_two_digits> over one hundred
hundred