dols[6], sold[6], soul[6], duos[5],
dol[5], los[5], sol[5], dos[4], ods[4], sod[4], lud[4], duo[4], lus[4], sou[4], uso[4], sud[3], uds[3],
do[3], od[3], os[3], so[3], ul[3], du[2], ud[2],