mbkn nbkn2 obkn23 pbkn qbkn2

b2kn2 c2kn23 d2kn e2kn2 f2kn23

0sln23 1sln 2sln2 3sln23 4sln

pjmn qjmn2 rjmn23 sjmn tjmn2

eann2 fann23 gann hann2 iann23