oase[5], stoa[5], oste[5], tose[5], aste[4], etas[4], este[4], tees[4],
tao[4], ost[4], tos[4], ase[3], see[3], eta[3], tee[3], ast[3], set[3],
os[3], so[3], as[2], es[2], et[2], st[2],
