ostu[7], suto[7], tuss[7], sosu[6], sous[6], osuw[6], owsu[6], stos[5],
out[6], uto[6], stu[6], ust[6], sou[5], sus[5], suw[5], sto[4], tss[4], sos[3], wow[3],
tu[5], ut[5], su[4], wu[4], ot[3], to[3], ts[3], os[2],
