otk2oi ptk2 qtk2o rtk2oi stk2
dkl2 ekl2o fkl2oi gkl2 hkl2o
2am2o 3am2oi 4am2 5am2o 6am2oi
r1m2oi s1m2 t1m2o u1m2oi v1m2
gsn2 hsn2o isn2oi jsn2 ksn2o