canc[6], czan[5], ozan[4], zona[4], oazo[4], ozon[4], zono[4],
cna[4], noc[4], acz[4], ano[3], ona[3], ono[3], zna[3], oaz[3], zon[3], zoo[3],
co[3], na[2], no[2], on[2], za[2], oz[2],
