lord[6], dort[5], duld[5], dult[5], tour[5], drud[4],
dol[5], lot[5], rod[4], tod[4], ort[4], rot[4], tor[4], lud[4], duo[4], out[4], dur[3],
do[3], od[3], ul[3], du[2], ud[2], ur[2], tu[2],
