Answer:
Do-Mi
If the second note is the higher note, then the interval is ascending and a major third. That is 2 steps or 4 half steps.
If the second note is the lower note, then the interval is descending and a minor sixth. That is 4 steps or 8 half steps.
Re-So
If the second note is the higher note, then the interval is ascending and a perfect fourth. That is 2.5 steps or 5 half steps.
If the second note is the lower note, then the interval is descending and a perfect fifth. That is 3.5 steps or 7 half steps.
Do-Ti
If the second note is the higher note, then the interval is ascending and a major seventh. That is 5.5 steps or 11 half steps.
If the second note is the lower note, then the interval is descending and a minor second. That is 0.5 steps or 1 half steps.
Fa-So
If the second note is the higher note, then the interval is ascending and a major second. That is 1 steps or 2 half steps.
If the second note is the lower note, then the interval is descending and a minor seventh. That is 5 steps or 10 half steps.
Fa-La
If the second note is the higher note, then the interval is ascending and a major third. That is 2 steps or 4 half steps.
If the second note is the lower note, then the interval is descending and a minor sixth. That is 4 steps or 8 half steps.
Re-Mi
If the second note is the higher note, then the interval is ascending and a major second. That is 1 steps or 2 half steps.
If the second note is the lower note, then the interval is descending and a minor seventh. That is 5 steps or 10 half steps.
So-Fa
If the second note is the higher note, then the interval is ascending and a minor seventh. That is 5 steps or 10 half steps.
If the second note is the lower note, then the interval is descending and a major second. That is 1 steps or 2 half steps.
Do-La
If the second note is the higher note, then the interval is ascending and a major sixth. That is 4.5 steps or 9 half steps.
If the second note is the lower note, then the interval is descending and a minor third. That is 1.5 steps or 3 half steps.
Ti-Do
If the second note is the higher note, then the interval is ascending and a minor second. That is 0.5 steps or 1 half steps.
If the second note is the lower note, then the interval is descending and a major seventh. That is 5.5 steps or 11 half steps.
