Correct me if I'm wrong, but extroverts in MBTI are the same type in socionics, right? And introverts have the last letter of their type flipped, to correspond with their judging or perceiving dominant function.
socionics ESFP ESFp ENFP ENFp ESTP ESTp ENTP ENTp ENTJ ENTj ESTJ ESTj ESFJ ESFj ENFJ ENFj
and for introverts
Dominant Function Socionics ISFP Fi ISFj INFP Fi INFj ISTP Ti ISTj INTP Ti INTj INTJ Ni INTp INFJ Ni INFp ISFJ Si ISFp ISTJ Si ISTp