dons[5], sods[5], dost[5], tods[5], tons[5], osts[5],
don[4], dos[4], ods[4], sod[4], ons[4], tod[4], not[4], ton[4], ost[4], tos[4],
do[3], od[3], on[3], os[3], so[3], st[2],
