dolo[6], lord[6], odro[5], ordo[5], loro[5], rolo[5], root[5], roto[5], toro[5],
dol[5], lot[5], odo[4], odr[4], ord[4], rod[4], lor[4], rol[4], oto[4], ort[4], rot[4], tor[4], oro[3],
do[3], od[3], ot[3], to[3], or[2], ro[2],