pond[6], donn[5], opon[5], pono[5], zond[5], dozo[5], pozo[5], nono[4], ozon[4], zono[4],
pod[5], pop[5], dno[4], don[4], odo[4], doz[4], non[3], ono[3], zon[3], zoo[3],
do[3], od[3], op[3], po[3], no[2], on[2], oz[2],
