v4i2 u4i22o t4i22 s4i2 r4i22o
6di22o 5di22 4di2 3di22o 2di22
hnh22 gnh2 fnh22o enh22 dnh2
swg2 rwg22o qwg22 pwg2 owg22o
35f22o 25f22 15f2 05f22o z5f22