Set One: a d g o q
These letters are all drawn using a consistent oval shape.
This shape then has defining detail added to create the letter form.
Set Two: i u t j y
These letters are all drawn using consistent entry and exit hairlines.
Dots are drawn slightly ahead of the letter.
Remember that the j starts above the x height.
Set Three: m n p
These letters have no acute angles.
Features include the rounded exit line, squared ends and the release of pressure in the down section of the last stroke, which is the stroke shared by all 3 letters.
Don't forget to work with parallels and also that the letter p starts above the x height.