dong[7], nogo[6], ogon[6], gnoz[6], zgon[6], zond[5], dozo[5], ozon[4], zono[4],
dog[6], gon[5], gzo[5], dno[4], don[4], odo[4], doz[4], ono[3], zon[3], zoo[3],
go[4], do[3], od[3], no[2], on[2], oz[2],
