"which interpersonal orientation(s) does a healthy person use, according to horney? "

According to Horney, a healthy person uses all three interpersonal orientations at different times, subject to the situation they are in. These three interpersonal styles are:

i)Moving toward others
ii) Moving away from others
iii) Moving against others 

According to Horney using too much or too little of each of these interpersonal orientations is linked to problems and conflict, both within a person, as well as in a peron's social relationships.