dong[6], gons[6], song[6], sohn[6], dons[5], sonn[5],
gon[5], sog[5], don[4], non[4], dos[4], ods[4], sod[4], ons[4],
go[4], ho[4], oh[4], do[3], od[3], on[3], os[3], so[3],
