One at a Time

One Step at a Time
----One Punch at a Time
--------One Round at a Time

One Turn at a Time
----One Lap at a Time
--------One Race at a Time

One Answer at a Time
----One Subject at a Time
--------One Semester at a Time

One Word at a Time
----One Para at a Time
--------One Chapter at a Time

One City at a Time
----One State at a Time
--------One Country at a Time

One Key at a Time
----One Chord at a Time
--------One Song at a Time

One Ball at a Time
----One Innings at a Time
--------One Match at a Time

One Seed at a Time
----One Forest at a Time
--------One Planet at a Time

One Day at a Time
----One Month at a Time
--------One Year at a Time

One Brick at a Time
----One Room at a Time
--------One Flat at a Time

One Step at a Time
----One Punch at a Time
--------One Round at a Time