nudo[7], rund[7], rodu[7], rudo[7], runo[6], urno[6], dorn[5], nord[5], rond[5],
dnu[6], nud[6], duo[6], udo[6], dur[6], rud[6], urd[6], nur[5], run[5], urn[5], oru[5], dno[4], don[4], odr[4], ord[4], rod[4], nor[3],
ud[5], nu[4], do[3], od[3], no[2], on[2], or[2], ro[2],
