bufo[12], fobu[12], uboi[8], obie[6],
buf[11], fob[9], fiu[9], ufo[9], efo[7], obu[7], boi[5], obi[5],
fu[8], uf[8], ef[6], fe[6], fi[6], bu[6], be[4], bi[4], bo[4], ii[2], eo[2],
