socho[8], scoop[7],
pogo[7], soch[7], hops[7], shop[7], poco[6], opos[5], ospo[5],
hoc[6], och[6], hop[6], oho[5], soc[4], osp[4], oso[3],
go[4], ho[4], oh[4], co[3], op[3], po[3], os[2],
