dolo[6], sold[6], donn[5], sond[5], sodo[5], solo[5], nono[4],
dol[5], dno[4], don[4], odo[4], los[4], ols[4], sol[4], non[3], ono[3], nos[3], son[3], oso[3],
do[3], od[3], no[2], on[2], os[2],
