cong[7], dong[7], gnoz[6], zgon[6], down[5], zond[5],
dog[6], cod[5], doc[5], gon[5], gzo[5], noc[4], dno[4], don[4], doz[4], won[3], zon[3],
go[4], co[3], do[3], od[3], no[2], on[2], oz[2],
