soft[8], ufos[8], tofu[8], fuss[7], stuf[7], osts[5], sous[5], usos[5], outs[5], sust[4], usus[4],
oft[7], ufo[7], ost[4], tos[4], sou[4], uso[4], out[4],
os[3], so[3], st[2], tu[2],
