dojo[7], diod[6], dodo[6], sojo[6], ooid[5], diso[5], sodo[5],
jod[6], doi[4], ido[4], odo[4], dis[4], osi[3], sio[3], soi[3], oso[3],
oj[4], id[3], do[3], od[3], si[2], os[2],