nudo[7], sodu[7], sunn[6], nous[6], unos[6], donn[5], sond[5],
dnu[6], nud[6], duo[6], udo[6], snu[5], sou[5], dno[4], don[4], non[3], nos[3], son[3],
ud[5], nu[4], su[4], do[3], od[3], no[2], on[2], os[2],
