tosto[7],
bont[7], boot[7], bono[6], obon[6], snob[6], boso[6], toto[6], tost[6], noto[5], tono[5], stoo[5],
bot[6], bon[5], not[4], ton[4], oto[4], sto[4], ono[3], nos[3], son[3], oso[3],
bo[4], ot[3], to[3], ts[3], no[2], on[2], os[2],
