donno[6], donos[6], sondo[6], zondo[6],
donn[5], sond[5], sodo[5], zond[5], dozo[5], nono[4], ozon[4], zono[4], znos[4],
dno[4], don[4], odo[4], doz[4], non[3], ono[3], nos[3], son[3], oso[3], zon[3], zoo[3],
do[3], od[3], no[2], on[2], os[2], oz[2],
