dudo[8], nudo[7], rund[7], rodu[7], rudo[7], runo[6], urno[6], rowu[6], woru[6], dorn[5], nord[5], rond[5], down[5], wron[4],
dud[7], dnu[6], nud[6], duo[6], udo[6], dur[6], rud[6], urd[6], dwu[6], nur[5], run[5], urn[5], oru[5], wun[5], dno[4], don[4], odr[4], ord[4], rod[4], nor[3], won[3], rwo[3],
ud[5], nu[4], wu[4], do[3], od[3], no[2], on[2], or[2], ro[2],
