The rules that use the vocabulary item "one" are:

<hour-not_initial_zero>

one

one zero

one oh

one one

one two

one three

one four

one five

one six

one seven

one eight

one nine

twenty one

two one

<scale_number>

one thousand

one hundred thousand

one million

one point five million

<bearing_number-pl>

one <two_digits>

<scale_operation>

<change_parameter> scale to one over <scale_number>

<change_parameter> scale to one to <scale_number>

set scale to one over <scale_number>

set scale to one to <scale_number>

<hour>

one

oh one

zero one

one zero

one oh

one one

one two

one three

one four

one five

one six

one seven

one eight

one nine

twenty one

two one

<bearing_number-three_dig-pl>

one <two_digits>

<digit-not_zero>

one

<digit-sing>

one

<digit-not_zero-sing>

one

<breach_mod>

<rocket_prep> one rocket

<digit_zero_to_five>

one

<bearing_number-three_dig>

one <two_digits>

<breach_command>

<breach_verb> one lane

<digit>

one

<up_to_six>

one

<bearing_number>

one <two_digits>