dior[5], trio[5], troi[5],
dit[5], doi[4], ido[4], odr[4], ord[4], rod[4], toi[4], itr[4], tir[4], tri[4], ort[4], rot[4], tor[4], roi[3],
id[3], do[3], od[3], ot[3], to[3], or[2], ro[2],
