buf[11], fob[9], ufo[9], fee[7], efo[7], obu[7], bee[5], web[5], ewe[3], ewo[3], owe[3],
fu[8], uf[8], ef[6], fe[6], bu[6], be[4], bo[4], wu[4], ee[2], eo[2], ew[2], we[2],
