ront[5], tron[5], sort[5], stor[5], tors[5],
not[4], ton[4], ort[4], rot[4], tor[4], sto[4], nor[3], nos[3], son[3], ros[3],
ot[3], to[3], ts[3], no[2], on[2], or[2], ro[2], os[2],